diff --git a/win/Projects/Audacity/Audacity.vcxproj b/win/Projects/Audacity/Audacity.vcxproj
index 7a2c54c09..5adb717ab 100755
--- a/win/Projects/Audacity/Audacity.vcxproj
+++ b/win/Projects/Audacity/Audacity.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,18 +13,19 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{1D64095C-F936-4FCF-B609-56E9DDF941FA}</ProjectGuid>
     <RootNamespace>Audacity</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <LocalDebuggerEnvironment>PATH=%WXWIN%\lib\vc_dll;%PATH%</LocalDebuggerEnvironment>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <LocalDebuggerEnvironment>PATH=%WXWIN%\lib\vc_dll;%PATH%</LocalDebuggerEnvironment>
diff --git a/win/Projects/expat/expat.vcxproj b/win/Projects/expat/expat.vcxproj
index a7bce883a..ba309e633 100755
--- a/win/Projects/expat/expat.vcxproj
+++ b/win/Projects/expat/expat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{A939AAF8-44F1-4CE7-9DD0-7A6E99814856}</ProjectGuid>
     <RootNamespace>expat</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/filedialog/filedialog.vcxproj b/win/Projects/filedialog/filedialog.vcxproj
index 629179dab..39e4734ce 100755
--- a/win/Projects/filedialog/filedialog.vcxproj
+++ b/win/Projects/filedialog/filedialog.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -14,17 +14,18 @@
     <ProjectGuid>{5284D863-3813-479F-BBF0-AC234E216BC6}</ProjectGuid>
     <RootNamespace>filedialog</RootNamespace>
     <Keyword>Win32Proj</Keyword>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/help/help.vcxproj b/win/Projects/help/help.vcxproj
index cb17bb484..6de99f6ce 100755
--- a/win/Projects/help/help.vcxproj
+++ b/win/Projects/help/help.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,15 +13,16 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{02F94A40-586A-4403-8464-13B50801FFEC}</ProjectGuid>
     <RootNamespace>help</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win/Projects/libflac++/libflac++.vcxproj b/win/Projects/libflac++/libflac++.vcxproj
index 10b2c48cb..38c863438 100755
--- a/win/Projects/libflac++/libflac++.vcxproj
+++ b/win/Projects/libflac++/libflac++.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{B28C9F3F-FF0E-4FEC-844C-685390B8AC06}</ProjectGuid>
     <RootNamespace>libflac++</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libflac/libflac.vcxproj b/win/Projects/libflac/libflac.vcxproj
index 685053259..2f65ed4aa 100755
--- a/win/Projects/libflac/libflac.vcxproj
+++ b/win/Projects/libflac/libflac.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{6C7DC635-26FB-419A-B69A-7ECBBB068245}</ProjectGuid>
     <RootNamespace>libflac</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libid3tag/libid3tag.vcxproj b/win/Projects/libid3tag/libid3tag.vcxproj
index 8fd1076ae..dd3df0245 100755
--- a/win/Projects/libid3tag/libid3tag.vcxproj
+++ b/win/Projects/libid3tag/libid3tag.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{D96C7BE1-E3F1-4767-BBBB-320E082CE425}</ProjectGuid>
     <RootNamespace>libid3tag</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libmad/libmad.vcxproj b/win/Projects/libmad/libmad.vcxproj
index 2369446e0..28f5cf51a 100755
--- a/win/Projects/libmad/libmad.vcxproj
+++ b/win/Projects/libmad/libmad.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{A52BBEA5-8B02-4147-8734-5D9BBF4D1177}</ProjectGuid>
     <RootNamespace>libmad</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libnyquist/libnyquist.vcxproj b/win/Projects/libnyquist/libnyquist.vcxproj
index f03b13175..28f6bb677 100755
--- a/win/Projects/libnyquist/libnyquist.vcxproj
+++ b/win/Projects/libnyquist/libnyquist.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{7AA41BED-41B0-427A-9148-DEA40549D158}</ProjectGuid>
     <RootNamespace>libnyquist</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libogg/libogg.vcxproj b/win/Projects/libogg/libogg.vcxproj
index 8747b5271..3bc28406d 100755
--- a/win/Projects/libogg/libogg.vcxproj
+++ b/win/Projects/libogg/libogg.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{A939AAF8-44F1-4CE7-9DD0-7A6E99814857}</ProjectGuid>
     <RootNamespace>libogg</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libscorealign/libscorealign.vcxproj b/win/Projects/libscorealign/libscorealign.vcxproj
index cced2a6de..a8a226efc 100755
--- a/win/Projects/libscorealign/libscorealign.vcxproj
+++ b/win/Projects/libscorealign/libscorealign.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{C0FE933B-4AF7-4ACD-95E8-ACD3A73F1400}</ProjectGuid>
     <RootNamespace>libscorealign</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libsndfile/libsndfile.vcxproj b/win/Projects/libsndfile/libsndfile.vcxproj
index 5726f2aca..97fdad8a4 100755
--- a/win/Projects/libsndfile/libsndfile.vcxproj
+++ b/win/Projects/libsndfile/libsndfile.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{F4B4A272-4ED3-4951-A6EE-B7BAAC1C4952}</ProjectGuid>
     <RootNamespace>libsndfile</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libsoxr/libsoxr.vcxproj b/win/Projects/libsoxr/libsoxr.vcxproj
index fc1168157..900e1add9 100755
--- a/win/Projects/libsoxr/libsoxr.vcxproj
+++ b/win/Projects/libsoxr/libsoxr.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{AF9AD75C-4785-4432-BAC3-ADAB1E7F1192}</ProjectGuid>
     <RootNamespace>libsoxr</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
@@ -76,20 +77,20 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr.c" />
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\cr32.c" />
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\cr32s.c" />
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\cr64.c" />
-	<!-- <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr64s.c" /> -->
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\data-io.c" />
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\dbesi0.c" />
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\fft4g32.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr32.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr32s.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr64.c" />
+    <!-- <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr64s.c" /> -->
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\data-io.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\dbesi0.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\fft4g32.c" />
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\fft4g64.c" />
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\filter.c" />
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\pffft32s.c" />
-	<!-- <ClCompile Include="..\..\..\lib-src\libsoxr\src\pffft64s.c" /> -->
+    <!-- <ClCompile Include="..\..\..\lib-src\libsoxr\src\pffft64s.c" /> -->
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\soxr.c" />
-	<ClCompile Include="..\..\..\lib-src\libsoxr\src\util32s.c" />
-	<!-- <ClCompile Include="..\..\..\lib-src\libsoxr\src\util64s.c" /> -->
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\util32s.c" />
+    <!-- <ClCompile Include="..\..\..\lib-src\libsoxr\src\util64s.c" /> -->
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\vr32.c" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/win/Projects/libsoxr/libsoxr.vcxproj.filters b/win/Projects/libsoxr/libsoxr.vcxproj.filters
index ef3b17d75..d30334a48 100755
--- a/win/Projects/libsoxr/libsoxr.vcxproj.filters
+++ b/win/Projects/libsoxr/libsoxr.vcxproj.filters
@@ -21,29 +21,19 @@
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\filter.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\lib-src\libsoxr\src\lsr.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\pffft32s.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\lib-src\libsoxr\src\rate32.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\lib-src\libsoxr\src\rate32s.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\lib-src\libsoxr\src\rate64.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\lib-src\libsoxr\src\simd.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\soxr.c">
       <Filter>Source Files</Filter>
     </ClCompile>
     <ClCompile Include="..\..\..\lib-src\libsoxr\src\vr32.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr32.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr32s.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\cr64.c" />
+    <ClCompile Include="..\..\..\lib-src\libsoxr\src\util32s.c" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/win/Projects/libvamp/libvamp.vcxproj b/win/Projects/libvamp/libvamp.vcxproj
index f22ab6322..a7d58a4ec 100755
--- a/win/Projects/libvamp/libvamp.vcxproj
+++ b/win/Projects/libvamp/libvamp.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{A61E2BF1-21AA-4118-B0D8-FD3D53DB892E}</ProjectGuid>
     <RootNamespace>libnyquist</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/libvorbis/libvorbis.vcxproj b/win/Projects/libvorbis/libvorbis.vcxproj
index c892d519a..dd2e0fd1d 100755
--- a/win/Projects/libvorbis/libvorbis.vcxproj
+++ b/win/Projects/libvorbis/libvorbis.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{727D6675-67EE-4D0B-9DC1-177A0AF741F0}</ProjectGuid>
     <RootNamespace>libvorbis</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/locale/locale.vcxproj b/win/Projects/locale/locale.vcxproj
index ed022c28c..6b6485686 100755
--- a/win/Projects/locale/locale.vcxproj
+++ b/win/Projects/locale/locale.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,6 +13,7 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{BE9F28C5-058A-45F5-B2C1-D077BC058AAE}</ProjectGuid>
     <RootNamespace>locale</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Label="Audacity">
@@ -20,11 +21,11 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Utility</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
@@ -151,4 +152,4 @@
     <RemoveDir Directories="@(OutputDirs);$(OutDir)Languages" />
   </Target>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
+</Project>
\ No newline at end of file
diff --git a/win/Projects/lv2/lv2.vcxproj b/win/Projects/lv2/lv2.vcxproj
index ec17b3565..a4a86b2f0 100755
--- a/win/Projects/lv2/lv2.vcxproj
+++ b/win/Projects/lv2/lv2.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{0FEC8848-E24E-4FA5-9ACD-E4582DC4CBBE}</ProjectGuid>
     <RootNamespace>lv2</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/mod-null/mod-null.vcxproj b/win/Projects/mod-null/mod-null.vcxproj
index d231d1b11..ab0e45d4a 100644
--- a/win/Projects/mod-null/mod-null.vcxproj
+++ b/win/Projects/mod-null/mod-null.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -20,17 +20,18 @@
     <ProjectGuid>{5FF83E0C-1973-4559-94C3-311C9D0E051B}</ProjectGuid>
     <RootNamespace>modtrackpanel2</RootNamespace>
     <Keyword>Win32Proj</Keyword>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
diff --git a/win/Projects/mod-nyq-bench/mod-nyq-bench.vcxproj b/win/Projects/mod-nyq-bench/mod-nyq-bench.vcxproj
index 318eba47c..b03926fc5 100644
--- a/win/Projects/mod-nyq-bench/mod-nyq-bench.vcxproj
+++ b/win/Projects/mod-nyq-bench/mod-nyq-bench.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,18 +13,19 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{876BE9ED-1F80-47B6-A34A-1766A6639763}</ProjectGuid>
     <RootNamespace>modnyqbench</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
diff --git a/win/Projects/mod-script-pipe/mod-script-pipe.vcxproj b/win/Projects/mod-script-pipe/mod-script-pipe.vcxproj
index 06c88879f..1207e0d4b 100755
--- a/win/Projects/mod-script-pipe/mod-script-pipe.vcxproj
+++ b/win/Projects/mod-script-pipe/mod-script-pipe.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{D41CD691-F111-4D68-B0C1-C90E7DB07454}</ProjectGuid>
     <RootNamespace>mod-script-pipe</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/portaudio-v19/portaudio-v19.vcxproj b/win/Projects/portaudio-v19/portaudio-v19.vcxproj
index 070879d1f..9855f9327 100755
--- a/win/Projects/portaudio-v19/portaudio-v19.vcxproj
+++ b/win/Projects/portaudio-v19/portaudio-v19.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{7ABA0F80-94AE-4E82-AB89-2E1258212D59}</ProjectGuid>
     <RootNamespace>portaudio-v19</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/portmidi/portmidi.vcxproj b/win/Projects/portmidi/portmidi.vcxproj
index 344bab12a..c306211a2 100755
--- a/win/Projects/portmidi/portmidi.vcxproj
+++ b/win/Projects/portmidi/portmidi.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{D5AB2D87-51DC-4277-A9AB-2A6018D0E947}</ProjectGuid>
     <RootNamespace>portmidi</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/portmixer/portmixer.vcxproj b/win/Projects/portmixer/portmixer.vcxproj
index b45762e74..d802f6d72 100755
--- a/win/Projects/portmixer/portmixer.vcxproj
+++ b/win/Projects/portmixer/portmixer.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{3A76129B-55AB-4D54-BAA7-08F63ED52569}</ProjectGuid>
     <RootNamespace>portmixer</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>
diff --git a/win/Projects/portsmf/portsmf.vcxproj b/win/Projects/portsmf/portsmf.vcxproj
index bf35e1ea0..ad59275fc 100755
--- a/win/Projects/portsmf/portsmf.vcxproj
+++ b/win/Projects/portsmf/portsmf.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{8A1C2514-85DD-4AE2-9CF3-3183B66C537D}</ProjectGuid>
     <RootNamespace>portsmf</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/win/Projects/sbsms/sbsms.vcxproj b/win/Projects/sbsms/sbsms.vcxproj
index 09dfb20ab..c467f88cd 100755
--- a/win/Projects/sbsms/sbsms.vcxproj
+++ b/win/Projects/sbsms/sbsms.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{A64FFB5D-0CF0-43EE-9DE3-C72260864BFF}</ProjectGuid>
     <RootNamespace>sbsms</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
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   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
diff --git a/win/Projects/soundtouch/soundtouch.vcxproj b/win/Projects/soundtouch/soundtouch.vcxproj
index 534673bcf..19ef2b807 100755
--- a/win/Projects/soundtouch/soundtouch.vcxproj
+++ b/win/Projects/soundtouch/soundtouch.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -13,17 +13,18 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{EC3F5835-C486-4970-8A6B-A0700F4B3637}</ProjectGuid>
     <RootNamespace>soundtouch</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
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     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/win/Projects/twolame/twolame.vcxproj b/win/Projects/twolame/twolame.vcxproj
index a35b0688e..b6f146285 100755
--- a/win/Projects/twolame/twolame.vcxproj
+++ b/win/Projects/twolame/twolame.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -14,17 +14,18 @@
     <ProjectGuid>{8C69F7B6-684F-48D9-9057-8912CA3DAA8B}</ProjectGuid>
     <RootNamespace>twolame</RootNamespace>
     <Keyword>Win32Proj</Keyword>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>