diff --git a/CMakeLists.txt b/CMakeLists.txt
index c76351e..df7ccd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,15 @@ set(CMAKE_CXX_FLAGS_FUZZERDEBUG "${CMAKE_CXX_FLAGS_DEBUG} /fsanitize-coverage=in
 # list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/external/FindWDK/cmake")
 # find_package(WDK REQUIRED)
 
-set(NUGET_PACKAGE_VERSION "10.0.26100.4204")
+# Select the Windows SDK/WDK NuGet package versions based on the platform toolset.
+# VS 2026 (toolset v145) requires the 10.0.28000 packages; VS 2022 (v143) uses 10.0.26100.
+if (MSVC_TOOLSET_VERSION GREATER_EQUAL 145)
+  set(NUGET_PACKAGE_VERSION "10.0.28000.1839")
+  set(WDK_VERSION "10.0.28000.0")
+else ()
+  set(NUGET_PACKAGE_VERSION "10.0.26100.4204")
+  set(WDK_VERSION "10.0.26100.0")
+endif ()
 
 set(NUGET_PACKAGES 
 "Microsoft.Windows.SDK.CPP"
@@ -48,10 +56,8 @@ endif()
 # Set WDK_ROOT based on the platform (arm64 or x64)
 if (TARGET_PLATFORM STREQUAL "arm64")
   set(WDK_ROOT "${PROJECT_BINARY_DIR}/packages/Microsoft.Windows.WDK.ARM64/c")
-  set(WDK_VERSION "10.0.26100.0")
 else ()
 set(WDK_ROOT "${PROJECT_BINARY_DIR}/packages/Microsoft.Windows.WDK.x64/c")
-set(WDK_VERSION "10.0.26100.0")
 endif ()
 
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 550fd9f..cb3fff8 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -75,7 +75,7 @@ To set up your development environment:
    git submodule update --init --recursive
    ```
 
-2. Open the solution in Visual Studio 2022 or use CMake to build:
+2. Open the solution in Visual Studio 2022 or Visual Studio 2026, or use CMake to build:
    - Visual Studio: Open `usersim.sln`
    - CMake: Follow the CMake build instructions in the README
 
diff --git a/README.md b/README.md
index 95bab4d..f7009ac 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ To use this repository from another project:
    [KMDF sample driver](https://learn.microsoft.com/en-us/windows-hardware/drivers/gettingstarted/writing-a-very-small-kmdf--driver)
    as a DLL (the sample project can be built either using Visual Studio or using cmake).
 3. Set the following property on the project: Configuration Properties -> General -> Platform Toolset to
-   Visual Studio 2022 (v143).
+   Visual Studio 2022 (v143) or Visual Studio 2026 (v145).
 4. Add a reference from your DLL project to the usersim project and the usersim_dll_skeleton project.
 5. Define `_AMD64_;_WIN32_WINNT=0x0a00` in the project properties preprocessor defines.
 6. Add to AdditionalIncludeDirectories: `$(WindowsSdkDir)Include\10.0.22621.0\km;$(WindowsSdkDir)Include\10.0.26100.0\km;;$(WindowsSdkDir)Include\wdf\kmdf\1.15`
@@ -84,6 +84,7 @@ can be built and tested as follows.
 
 1. As a one-time step, from a Visual Studio Developer Command Prompt, do:
    `cmake -G "Visual Studio 17 2022" -S external\catch2 -B external\catch2\build -DBUILD_TESTING=OFF`
+   (use `-G "Visual Studio 18 2026"` when building with Visual Studio 2026).
 2. Build usersim.sln from the Visual Studio UI or using msbuild.
 3. `cxplat_test.exe -d yes` and `usersim_tests.exe -d yes` can then be executed to run the standard tests.
 
diff --git a/cxplat/cxplat_test/cxplat_test.vcxproj b/cxplat/cxplat_test/cxplat_test.vcxproj
index 374e0f6..ab0251f 100644
--- a/cxplat/cxplat_test/cxplat_test.vcxproj
+++ b/cxplat/cxplat_test/cxplat_test.vcxproj
@@ -6,27 +6,27 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{e356324b-74bb-4123-9fbe-dd8b8ed8658a}</ProjectGuid>
     <RootNamespace>cxplattest</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='FuzzerDebug|x64'">
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='FuzzerDebug|Win32'">
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -90,4 +90,4 @@
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/cxplat/src/cxplat_winkernel/cxplat_winkernel.vcxproj b/cxplat/src/cxplat_winkernel/cxplat_winkernel.vcxproj
index e3436e6..29b22db 100644
--- a/cxplat/src/cxplat_winkernel/cxplat_winkernel.vcxproj
+++ b/cxplat/src/cxplat_winkernel/cxplat_winkernel.vcxproj
@@ -39,7 +39,7 @@
     <RootNamespace>cxplatwinkernel</RootNamespace>
     <DriverType>KMDF</DriverType>
     <ProjectName>cxplat_winkernel</ProjectName>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
diff --git a/cxplat/src/cxplat_winkernel/packages.config b/cxplat/src/cxplat_winkernel/packages.config
deleted file mode 100644
index 604e5de..0000000
--- a/cxplat/src/cxplat_winkernel/packages.config
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Microsoft.Windows.SDK.CPP" version="10.0.26100.4204" targetFramework="native" />
-  <package id="Microsoft.Windows.SDK.CPP.arm64" version="10.0.26100.4204" targetFramework="native" />
-  <package id="Microsoft.Windows.SDK.CPP.x64" version="10.0.26100.4204" targetFramework="native" />
-  <package id="Microsoft.Windows.WDK.ARM64" version="10.0.26100.4204" targetFramework="native" />
-  <package id="Microsoft.Windows.WDK.x64" version="10.0.26100.4204" targetFramework="native" />
-</packages>
\ No newline at end of file
diff --git a/cxplat/src/cxplat_winuser/CMakeLists.txt b/cxplat/src/cxplat_winuser/CMakeLists.txt
index 749f2f7..94300d5 100644
--- a/cxplat/src/cxplat_winuser/CMakeLists.txt
+++ b/cxplat/src/cxplat_winuser/CMakeLists.txt
@@ -31,7 +31,7 @@ target_include_directories(cxplat_winuser PRIVATE
   "../../inc"
   "../../inc/winuser"
   "${WindowsSdkDir}include/10.0.22621.0"
-  "${WindowsSdkDir}include/10.0.26100.0"
+  "${WindowsSdkDir}include/${WDK_VERSION}"
 )
 
 set(defs UNICODE _UNICODE CXPLAT_SOURCE)
diff --git a/cxplat/src/cxplat_winuser/cxplat_winuser.vcxproj b/cxplat/src/cxplat_winuser/cxplat_winuser.vcxproj
index 0bb61ba..d84169f 100644
--- a/cxplat/src/cxplat_winuser/cxplat_winuser.vcxproj
+++ b/cxplat/src/cxplat_winuser/cxplat_winuser.vcxproj
@@ -6,25 +6,25 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{f2ca70ab-af9a-47d1-9da9-94d5ab573ac2}</ProjectGuid>
     <RootNamespace>cxplatwinuser</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='FuzzerDebug'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
diff --git a/docs/DevelopmentGuide.md b/docs/DevelopmentGuide.md
index 4ff8add..7ca6d94 100644
--- a/docs/DevelopmentGuide.md
+++ b/docs/DevelopmentGuide.md
@@ -98,14 +98,14 @@ Above all, if a file happens to differ in style from these guidelines (e.g., pri
 ### Prerequisites
 
 * Windows 10 version 1903 or later, or Windows Server 2019 or later
-* Visual Studio 2022 with C++ development tools
+* Visual Studio 2022 (v143) or Visual Studio 2026 (v145) with C++ development tools
 * Windows SDK version 10.0.22621.0 or later
 * Windows Driver Kit (WDK) version 10.0.22621.0 or later
 * CMake 3.16 or later (optional, for CMake builds)
 
 ### Building with Visual Studio
 
-1. Open `usersim.sln` in Visual Studio 2022
+1. Open `usersim.sln` in Visual Studio 2022 or Visual Studio 2026
 2. Select the desired configuration (Debug/Release) and platform (x64/ARM64)
 3. Build the solution
 
diff --git a/sample/sample.vcxproj b/sample/sample.vcxproj
index b676978..d1ef7d4 100644
--- a/sample/sample.vcxproj
+++ b/sample/sample.vcxproj
@@ -8,13 +8,13 @@
     <MinimumVisualStudioVersion>12.0</MinimumVisualStudioVersion>
     <Configuration>Debug</Configuration>
     <RootNamespace>sample</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <TargetVersion>Windows10</TargetVersion>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <DriverType>KMDF</DriverType>
     <DriverTargetPlatform>Universal</DriverTargetPlatform>
@@ -22,7 +22,7 @@
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <TargetVersion>Windows10</TargetVersion>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <DriverType>KMDF</DriverType>
     <DriverTargetPlatform>Universal</DriverTargetPlatform>
@@ -46,7 +46,7 @@
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
     </DriverSign>
     <ClCompile>
-      <AdditionalIncludeDirectories>$(WdkContentRoot)\Include\10.0.26100.0\km;$(WdkContentRoot)\Include\wdf\kmdf\1.15;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km;$(WdkContentRoot)\Include\wdf\kmdf\1.15;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <WarningLevel>Level3</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
     </ClCompile>
@@ -57,7 +57,7 @@
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
     </DriverSign>
     <ClCompile>
-      <AdditionalIncludeDirectories>$(WdkContentRoot)\Include\10.0.26100.0\km;$(WdkContentRoot)\Include\wdf\kmdf\1.15;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km;$(WdkContentRoot)\Include\wdf\kmdf\1.15;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link />
   </ItemDefinitionGroup>
diff --git a/setup_build/setup_build.vcxproj b/setup_build/setup_build.vcxproj
index e21e976..c6259bb 100644
--- a/setup_build/setup_build.vcxproj
+++ b/setup_build/setup_build.vcxproj
@@ -10,19 +10,19 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{bfb0c59a-3f15-4d80-a65f-9a9a6dca3334}</ProjectGuid>
     <RootNamespace>setupbuild</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
diff --git a/src/usersim.vcxproj b/src/usersim.vcxproj
index f23f088..b828daf 100644
--- a/src/usersim.vcxproj
+++ b/src/usersim.vcxproj
@@ -6,25 +6,25 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{030a7ac6-14dc-45cf-af34-891057ab1402}</ProjectGuid>
     <RootNamespace>usersim</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='FuzzerDebug'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
@@ -49,7 +49,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>USERSIM_SOURCE;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km</AdditionalIncludeDirectories>
       <TreatWarningAsError>true</TreatWarningAsError>
     </ClCompile>
     <Link>
@@ -64,7 +64,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>USERSIM_SOURCE;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -80,7 +80,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>USERSIM_SOURCE;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -149,4 +149,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/tests/tests.vcxproj b/tests/tests.vcxproj
index 484e835..8dfc5a9 100644
--- a/tests/tests.vcxproj
+++ b/tests/tests.vcxproj
@@ -6,19 +6,19 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{c7b63ca3-a0b8-4ee3-85c8-a17cb40440bf}</ProjectGuid>
     <RootNamespace>tests</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
@@ -43,7 +43,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\external\catch2\src;$(ProjectDir)..\external\catch2\build\generated-includes;$(ProjectDir)..\inc;$(SolutionDir)cxplat\inc;$(SolutionDir)cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\external\catch2\src;$(ProjectDir)..\external\catch2\build\generated-includes;$(ProjectDir)..\inc;$(SolutionDir)cxplat\inc;$(SolutionDir)cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -60,7 +60,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\external\catch2\src;$(ProjectDir)..\external\catch2\build\generated-includes;$(ProjectDir)..\inc;$(SolutionDir)cxplat\inc;$(SolutionDir)cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\external\catch2\src;$(ProjectDir)..\external\catch2\build\generated-includes;$(ProjectDir)..\inc;$(SolutionDir)cxplat\inc;$(SolutionDir)cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -95,4 +95,4 @@
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/usersim_dll_skeleton/usersim_dll_skeleton.vcxproj b/usersim_dll_skeleton/usersim_dll_skeleton.vcxproj
index 9a15f10..20a96d7 100644
--- a/usersim_dll_skeleton/usersim_dll_skeleton.vcxproj
+++ b/usersim_dll_skeleton/usersim_dll_skeleton.vcxproj
@@ -9,19 +9,19 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{1937db41-f3eb-4955-a636-6386dcb394f6}</ProjectGuid>
     <RootNamespace>usersimdllskeleton</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.26100.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(UsersimWindowsTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(UsersimPlatformToolset)</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
@@ -42,7 +42,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -58,7 +58,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\10.0.26100.0\km</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\inc;$(ProjectDir)..\cxplat\inc;$(ProjectDir)..\cxplat\inc\winuser;$(WdkContentRoot)\Include\$(WindowsTargetPlatformVersion)\km</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>
@@ -71,4 +71,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/wdk.props b/wdk.props
index 508729d..3def8b7 100644
--- a/wdk.props
+++ b/wdk.props
@@ -9,22 +9,35 @@
     <TargetFramework>native</TargetFramework>
     <_NuGetTargetFallbackMoniker>$(_NuGetTargetFallbackMoniker);native,Version=v0.0</_NuGetTargetFallbackMoniker>
     <RestorePackages>true</RestorePackages>
+    <!-- Windows SDK target platform version -->
+    <UsersimWindowsTargetPlatformVersion Condition="'$(VisualStudioVersion)' == '18.0'">10.0.28000.0</UsersimWindowsTargetPlatformVersion>
+    <UsersimWindowsTargetPlatformVersion Condition="'$(VisualStudioVersion)' == '17.0'">10.0.26100.0</UsersimWindowsTargetPlatformVersion>
+    <UsersimWindowsTargetPlatformVersion Condition="'$(UsersimWindowsTargetPlatformVersion)' == ''">10.0.26100.0</UsersimWindowsTargetPlatformVersion>
+    <!-- WDK NuGet package version: VS 2026 (MSBuild 18) requires 10.0.28000.1839;
+         VS 2022 (MSBuild 17) uses 10.0.26100.4204. -->
+    <UsersimWDKVersion Condition="'$(VisualStudioVersion)' == '18.0'">10.0.28000.1839</UsersimWDKVersion>
+    <UsersimWDKVersion Condition="'$(VisualStudioVersion)' == '17.0'">10.0.26100.4204</UsersimWDKVersion>
+    <UsersimWDKVersion Condition="'$(UsersimWDKVersion)' == ''">10.0.26100.4204</UsersimWDKVersion>
+    <!-- Platform toolset -->
+    <UsersimPlatformToolset Condition="'$(VisualStudioVersion)' == '18.0'">v145</UsersimPlatformToolset>
+    <UsersimPlatformToolset Condition="'$(VisualStudioVersion)' == '17.0'">v143</UsersimPlatformToolset>
+    <UsersimPlatformToolset Condition="'$(UsersimPlatformToolset)' == ''">v143</UsersimPlatformToolset>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Windows.SDK.CPP">
-      <Version>10.0.26100.4204</Version>
+      <Version>$(UsersimWDKVersion)</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.Windows.SDK.CPP.x64">
-      <Version>10.0.26100.4204</Version>
+      <Version>$(UsersimWDKVersion)</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.Windows.WDK.x64">
-      <Version>10.0.26100.4204</Version>
+      <Version>$(UsersimWDKVersion)</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.Windows.SDK.CPP.arm64">
-      <Version>10.0.26100.4204</Version>
+      <Version>$(UsersimWDKVersion)</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.Windows.WDK.ARM64">
-      <Version>10.0.26100.4204</Version>
+      <Version>$(UsersimWDKVersion)</Version>
     </PackageReference>
   </ItemGroup>
 </Project>
\ No newline at end of file