diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b6de30..cfa7da3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -284,8 +284,8 @@ if(WIN32)
     elseif(${DIRECTX_ARCH} MATCHES "^arm")
         set(WINVER 0x0602)
     else()
-        message(STATUS "Building with Windows 7 compatibility")
-        set(WINVER 0x0601)
+        message(STATUS "Building with Windows 8.1 compatibility")
+        set(WINVER 0x0603)
     endif()
 
     foreach(t IN LISTS TOOL_EXES ITEMS ${PROJECT_NAME})
diff --git a/CMakePresets.json b/CMakePresets.json
index 2ddf75a..d724d7e 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -118,7 +118,7 @@
     },
 
     {
-      "name": "Win7",
+      "name": "Win8",
       "cacheVariables": {
         "BUILD_DX12": false
       },
@@ -237,10 +237,10 @@
     { "name": "arm64-Debug-UWP"  , "description": "MSVC for ARM64 (Debug) for UWP", "inherits": [ "base", "ARM64", "Debug", "MSVC", "UWP" ] },
     { "name": "arm64-Release-UWP", "description": "MSVC for ARM64 (Release) for UWP", "inherits": [ "base", "ARM64", "Release", "MSVC", "UWP" ] },
 
-    { "name": "x64-Debug-Win7"    , "description": "MSVC for x64 (Debug) for Windows 7", "inherits": [ "base", "x64", "Debug", "MSVC", "Win7" ] },
-    { "name": "x64-Release-Win7"  , "description": "MSVC for x64 (Release) for Windows 7", "inherits": [ "base", "x64", "Release", "MSVC", "Win7" ] },
-    { "name": "x86-Debug-Win7"    , "description": "MSVC for x86 (Debug) for Windows 7", "inherits": [ "base", "x86", "Debug", "MSVC", "Win7" ] },
-    { "name": "x86-Release-Win7"  , "description": "MSVC for x86 (Release) for Windows 7", "inherits": [ "base", "x86", "Release", "MSVC", "Win7" ] },
+    { "name": "x64-Debug-Win8"    , "description": "MSVC for x64 (Debug) for Windows 7", "inherits": [ "base", "x64", "Debug", "MSVC", "Win8" ] },
+    { "name": "x64-Release-Win8"  , "description": "MSVC for x64 (Release) for Windows 7", "inherits": [ "base", "x64", "Release", "MSVC", "Win8" ] },
+    { "name": "x86-Debug-Win8"    , "description": "MSVC for x86 (Debug) for Windows 7", "inherits": [ "base", "x86", "Debug", "MSVC", "Win8" ] },
+    { "name": "x86-Release-Win8"  , "description": "MSVC for x86 (Release) for Windows 7", "inherits": [ "base", "x86", "Release", "MSVC", "Win8" ] },
 
     { "name": "x64-Debug-Scarlett"    , "description": "MSVC for x64 (Debug) for Xbox Series X|S", "inherits": [ "base", "x64", "Debug", "MSVC", "Scarlett" ] },
     { "name": "x64-Release-Scarlett"  , "description": "MSVC for x64 (Release) for Xbox Series X|S", "inherits": [ "base", "x64", "Release", "MSVC", "Scarlett" ] },
@@ -278,10 +278,10 @@
     { "name": "arm64-Debug-UWP-Clang"  , "description": "Clang/LLVM for AArch64 (Debug) for UWP", "inherits": [ "base", "ARM64", "Debug", "Clang", "Clang-AArch64", "UWP" ] },
     { "name": "arm64-Release-UWP-Clang", "description": "Clang/LLVM for AArch64 (Release) for UWP", "inherits": [ "base", "ARM64", "Release", "Clang", "Clang-AArch64", "UWP" ] },
 
-    { "name": "x64-Debug-Win7-Clang"    , "description": "Clang/LLVM for x64 (Debug) for Windows 7", "inherits": [ "base", "x64", "Debug", "Clang", "Win7" ] },
-    { "name": "x64-Release-Win7-Clang"  , "description": "Clang/LLVM for x64 (Release) for Windows 7", "inherits": [ "base", "x64", "Release", "Clang", "Win7" ] },
-    { "name": "x86-Debug-Win7-Clang"    , "description": "Clang/LLVM for x86 (Debug) for Windows 7", "inherits": [ "base", "x86", "Debug", "Clang", "Clang-X86", "Win7" ] },
-    { "name": "x86-Release-Win7-Clang"  , "description": "Clang/LLVM for x86 (Release) for Windows 7", "inherits": [ "base", "x86", "Release", "Clang", "Clang-X86", "Win7" ] },
+    { "name": "x64-Debug-Win8-Clang"    , "description": "Clang/LLVM for x64 (Debug) for Windows 7", "inherits": [ "base", "x64", "Debug", "Clang", "Win8" ] },
+    { "name": "x64-Release-Win8-Clang"  , "description": "Clang/LLVM for x64 (Release) for Windows 7", "inherits": [ "base", "x64", "Release", "Clang", "Win8" ] },
+    { "name": "x86-Debug-Win8-Clang"    , "description": "Clang/LLVM for x86 (Debug) for Windows 7", "inherits": [ "base", "x86", "Debug", "Clang", "Clang-X86", "Win8" ] },
+    { "name": "x86-Release-Win8-Clang"  , "description": "Clang/LLVM for x86 (Release) for Windows 7", "inherits": [ "base", "x86", "Release", "Clang", "Clang-X86", "Win8" ] },
 
     { "name": "x64-Debug-Scarlett-Clang"  , "description": "Clang/LLVM for x64 (Debug) for Xbox Series X|S", "inherits": [ "base", "x64", "Debug", "Clang", "Scarlett" ] },
     { "name": "x64-Release-Scarlett-Clang", "description": "Clang/LLVM for x64 (Release) for Xbox Series X|S", "inherits": [ "base", "x64", "Release", "Clang", "Scarlett" ] },
diff --git a/DirectXMesh/DirectXMesh_Desktop_2019.vcxproj b/DirectXMesh/DirectXMesh_Desktop_2019.vcxproj
index ae328d5..e075750 100644
--- a/DirectXMesh/DirectXMesh_Desktop_2019.vcxproj
+++ b/DirectXMesh/DirectXMesh_Desktop_2019.vcxproj
@@ -138,7 +138,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -163,7 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -188,7 +188,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -212,7 +212,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -238,7 +238,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -262,7 +262,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
diff --git a/DirectXMesh/DirectXMesh_Desktop_2022.vcxproj b/DirectXMesh/DirectXMesh_Desktop_2022.vcxproj
index baa9190..57e17c9 100644
--- a/DirectXMesh/DirectXMesh_Desktop_2022.vcxproj
+++ b/DirectXMesh/DirectXMesh_Desktop_2022.vcxproj
@@ -138,7 +138,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -163,7 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -188,7 +188,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -212,7 +212,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -238,7 +238,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
@@ -262,7 +262,7 @@
       <SDLCheck>true</SDLCheck>
       <FloatingPointModel>Fast</FloatingPointModel>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0601;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_WINDOWS;_LIB;_WIN32_WINNT=0x0603;_CRT_STDIO_ARBITRARY_WIDE_SPECIFIERS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>DirectXMeshP.h</PrecompiledHeaderFile>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
diff --git a/Meshconvert/Meshconvert_Desktop_2019.vcxproj b/Meshconvert/Meshconvert_Desktop_2019.vcxproj
index 6169f80..15c9267 100644
--- a/Meshconvert/Meshconvert_Desktop_2019.vcxproj
+++ b/Meshconvert/Meshconvert_Desktop_2019.vcxproj
@@ -136,7 +136,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus /ZH:SHA_256 %(AdditionalOptions)</AdditionalOptions>
       <DisableSpecificWarnings>26812</DisableSpecificWarnings>
@@ -161,7 +161,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus /ZH:SHA_256 %(AdditionalOptions)</AdditionalOptions>
       <DisableSpecificWarnings>26812</DisableSpecificWarnings>
@@ -185,7 +185,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus /ZH:SHA_256 %(AdditionalOptions)</AdditionalOptions>
@@ -212,7 +212,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus /ZH:SHA_256 %(AdditionalOptions)</AdditionalOptions>
@@ -239,7 +239,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus /ZH:SHA_256 %(AdditionalOptions)</AdditionalOptions>
@@ -266,7 +266,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus /ZH:SHA_256 %(AdditionalOptions)</AdditionalOptions>
diff --git a/Meshconvert/Meshconvert_Desktop_2022.vcxproj b/Meshconvert/Meshconvert_Desktop_2022.vcxproj
index b74fb1e..9569e5f 100644
--- a/Meshconvert/Meshconvert_Desktop_2022.vcxproj
+++ b/Meshconvert/Meshconvert_Desktop_2022.vcxproj
@@ -136,7 +136,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
       <DisableSpecificWarnings>26812</DisableSpecificWarnings>
@@ -161,7 +161,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;DEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
       <DisableSpecificWarnings>26812</DisableSpecificWarnings>
@@ -185,7 +185,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
@@ -212,7 +212,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
@@ -239,7 +239,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
@@ -266,7 +266,7 @@
       <FloatingPointModel>Fast</FloatingPointModel>
       <AdditionalIncludeDirectories>..\DirectXMesh;..\Utilities;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <ConformanceMode>true</ConformanceMode>
-      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0601;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;PROFILE;_CONSOLE;_WIN32_WINNT=0x0603;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <SDLCheck>true</SDLCheck>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>