diff --git a/Windows81SDKVS12_x64.props b/Windows81SDKVS12_x64.props
new file mode 100644
index 0000000..bb441fd
--- /dev/null
+++ b/Windows81SDKVS12_x64.props
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <ExecutablePath>$(ProgramFiles)\Windows Kits\8.1\bin\x64;$(ExecutablePath)</ExecutablePath>
+    <IncludePath>$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\winrt;$(IncludePath)</IncludePath>
+    <LibraryPath>$(ProgramFiles)\Windows Kits\8.1\lib\win8\um\x64;$(LibraryPath)</LibraryPath>
+    <ExcludePath>$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\wirt;$(ExcludePath)</ExcludePath>
+  </PropertyGroup>
+<ItemDefinitionGroup />
+</Project>
\ No newline at end of file
diff --git a/Windows81SDKVS12_x86.props b/Windows81SDKVS12_x86.props
new file mode 100644
index 0000000..9cb583a
--- /dev/null
+++ b/Windows81SDKVS12_x86.props
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <ExecutablePath>$(ProgramFiles)\Windows Kits\8.1\bin\x86;$(ExecutablePath)</ExecutablePath>
+    <IncludePath>$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\winrt;$(IncludePath)</IncludePath>
+    <LibraryPath>$(ProgramFiles)\Windows Kits\8.1\lib\win8\um\x64;$(LibraryPath)</LibraryPath>
+    <ExcludePath>$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\wirt;$(ExcludePath)</ExcludePath>
+  </PropertyGroup>
+<ItemDefinitionGroup />
+</Project>
\ No newline at end of file
diff --git a/Windows81SDK_x64.props b/Windows81SDK_x64.props
index 218f17f..445c23f 100644
--- a/Windows81SDK_x64.props
+++ b/Windows81SDK_x64.props
@@ -6,7 +6,7 @@
     <ExecutablePath>$(VCInstallDir)bin\x86_amd64;$(VCInstallDir)bin;$(WindowsSdkDir)bin\NETFX 4.0 Tools;$(ProgramFiles)\Windows Kits\8.1\bin\x86;$(VSInstallDir)Common7\Tools\bin;$(VSInstallDir)Common7\tools;$(VSInstallDir)Common7\ide;$(ProgramFiles)\HTML Help Workshop;$(FrameworkSDKDir)\bin;$(MSBuildToolsPath32);$(VSInstallDir);$(SystemRoot)\SysWow64;$(FxCopDir);$(PATH)</ExecutablePath>
     <IncludePath>$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\winrt;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(FrameworkSDKDir)\include;</IncludePath>
     <LibraryPath>$(VCInstallDir)lib\amd64;$(VCInstallDir)atlmfc\lib\amd64;$(ProgramFiles)\Windows Kits\8.1\lib\win8\um\x64;$(FrameworkSDKDir)\lib\x64</LibraryPath>
-    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
+    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\winrt;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
   </PropertyGroup>
 <ItemDefinitionGroup />
 </Project>
\ No newline at end of file
diff --git a/Windows81SDK_x86.props b/Windows81SDK_x86.props
index 2e1041b..5810073 100644
--- a/Windows81SDK_x86.props
+++ b/Windows81SDK_x86.props
@@ -6,7 +6,7 @@
     <ExecutablePath>$(VCInstallDir)bin;$(WindowsSdkDir)bin\NETFX 4.0 Tools;$(ProgramFiles)\Windows Kits\8.1\bin\x86;$(VSInstallDir)Common7\Tools\bin;$(VSInstallDir)Common7\tools;$(VSInstallDir)Common7\ide;$(ProgramFiles)\HTML Help Workshop;$(FrameworkSDKDir)\bin;$(MSBuildToolsPath32);$(VSInstallDir);$(SystemRoot)\SysWow64;$(FxCopDir);$(PATH)</ExecutablePath>
     <IncludePath>$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\winrt;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(FrameworkSDKDir)\include;</IncludePath>
     <LibraryPath>$(VCInstallDir)lib;$(VCInstallDir)atlmfc\lib;$(ProgramFiles)\Windows Kits\8.1\lib\win8\um\x86;$(FrameworkSDKDir)\lib</LibraryPath>
-    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
+    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.1\Include\um;$(ProgramFiles)\Windows Kits\8.1\Include\shared;$(ProgramFiles)\Windows Kits\8.1\Include\winrt;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
   </PropertyGroup>
 <ItemDefinitionGroup />
 </Project>
\ No newline at end of file
diff --git a/Windows8SDK_x64.props b/Windows8SDK_x64.props
index a5ff70f..20d5feb 100644
--- a/Windows8SDK_x64.props
+++ b/Windows8SDK_x64.props
@@ -4,9 +4,9 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <ExecutablePath>$(VCInstallDir)bin\x86_amd64;$(VCInstallDir)bin;$(WindowsSdkDir)bin\NETFX 4.0 Tools;$(ProgramFiles)\Windows Kits\8.0\bin\x86;$(VSInstallDir)Common7\Tools\bin;$(VSInstallDir)Common7\tools;$(VSInstallDir)Common7\ide;$(ProgramFiles)\HTML Help Workshop;$(FrameworkSDKDir)\bin;$(MSBuildToolsPath32);$(VSInstallDir);$(SystemRoot)\SysWow64;$(FxCopDir);$(PATH)</ExecutablePath>
-    <IncludePath>$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(FrameworkSDKDir)\include;</IncludePath>
+    <IncludePath>$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(ProgramFiles)\Windows Kits\8.0\Include\winrt;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(FrameworkSDKDir)\include;</IncludePath>
     <LibraryPath>$(VCInstallDir)lib\amd64;$(VCInstallDir)atlmfc\lib\amd64;$(ProgramFiles)\Windows Kits\8.0\lib\win8\um\x64;$(FrameworkSDKDir)\lib\x64</LibraryPath>
-    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
+    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(ProgramFiles)\Windows Kits\8.0\Include\winrt;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
   </PropertyGroup>
 <ItemDefinitionGroup />
 </Project>
\ No newline at end of file
diff --git a/Windows8SDK_x86.props b/Windows8SDK_x86.props
index 4aa20c7..6d95e86 100644
--- a/Windows8SDK_x86.props
+++ b/Windows8SDK_x86.props
@@ -4,9 +4,9 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <ExecutablePath>$(VCInstallDir)bin;$(WindowsSdkDir)bin\NETFX 4.0 Tools;$(ProgramFiles)\Windows Kits\8.0\bin\x86;$(VSInstallDir)Common7\Tools\bin;$(VSInstallDir)Common7\tools;$(VSInstallDir)Common7\ide;$(ProgramFiles)\HTML Help Workshop;$(FrameworkSDKDir)\bin;$(MSBuildToolsPath32);$(VSInstallDir);$(SystemRoot)\SysWow64;$(FxCopDir);$(PATH)</ExecutablePath>
-    <IncludePath>$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(FrameworkSDKDir)\include;</IncludePath>
+    <IncludePath>$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(ProgramFiles)\Windows Kits\8.0\Include\winrt;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(FrameworkSDKDir)\include;</IncludePath>
     <LibraryPath>$(VCInstallDir)lib;$(VCInstallDir)atlmfc\lib;$(ProgramFiles)\Windows Kits\8.0\lib\win8\um\x86;$(FrameworkSDKDir)\lib</LibraryPath>
-    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
+    <ExcludePath>$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(ProgramFiles)\Windows Kits\8.0\Include\um;$(ProgramFiles)\Windows Kits\8.0\Include\shared;$(ProgramFiles)\Windows Kits\8.0\Include\winrt;$(FrameworkSDKDir)\include;$(MSBuildToolsPath32);$(VCInstallDir)atlmfc\lib;$(VCInstallDir)lib;</ExcludePath>
   </PropertyGroup>
 <ItemDefinitionGroup />
 </Project>
\ No newline at end of file