diff --git a/tst/ntptfs/ptfs.sln b/tst/ntptfs/ptfs.sln
index cb0b1525..d289a3e8 100644
--- a/tst/ntptfs/ptfs.sln
+++ b/tst/ntptfs/ptfs.sln
@@ -7,16 +7,22 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ptfs", "ptfs.vcxproj", "{BA
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM64 = Debug|ARM64
 		Debug|x64 = Debug|x64
 		Debug|x86 = Debug|x86
+		Release|ARM64 = Release|ARM64
 		Release|x64 = Release|x64
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Debug|ARM64.Build.0 = Debug|ARM64
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Debug|x64.ActiveCfg = Debug|x64
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Debug|x64.Build.0 = Debug|x64
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Debug|x86.ActiveCfg = Debug|Win32
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Debug|x86.Build.0 = Debug|Win32
+		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Release|ARM64.ActiveCfg = Release|ARM64
+		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Release|ARM64.Build.0 = Release|ARM64
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Release|x64.ActiveCfg = Release|x64
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Release|x64.Build.0 = Release|x64
 		{BA69F863-4426-4CAE-8676-331B985C5DA8}.Release|x86.ActiveCfg = Release|Win32
diff --git a/tst/ntptfs/ptfs.vcxproj b/tst/ntptfs/ptfs.vcxproj
index d486c6be..cd91346a 100644
--- a/tst/ntptfs/ptfs.vcxproj
+++ b/tst/ntptfs/ptfs.vcxproj
@@ -1,10 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM64">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
@@ -52,6 +60,12 @@
     <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
@@ -59,6 +73,13 @@
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -73,9 +94,15 @@
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <LinkIncremental>true</LinkIncremental>
@@ -89,6 +116,12 @@
     <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\$(PlatformTarget)\</IntDir>
     <TargetName>$(ProjectName)-$(PlatformTarget)</TargetName>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <TargetName>$(ProjectName)-a64</TargetName>
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\a64\</IntDir>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LinkIncremental>false</LinkIncremental>
     <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
@@ -101,6 +134,12 @@
     <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\$(PlatformTarget)\</IntDir>
     <TargetName>$(ProjectName)-$(PlatformTarget)</TargetName>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <TargetName>$(ProjectName)-a64</TargetName>
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)build\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)build\$(ProjectName).build\$(Configuration)\a64\</IntDir>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <PrecompiledHeader>
@@ -137,6 +176,24 @@
       <DelayLoadDLLs>winfsp-$(PlatformTarget).dll</DelayLoadDLLs>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\WinFsp\inc</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>$(MSBuildProgramFiles32)\WinFsp\lib\winfsp-a64.lib;ntdll.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <DelayLoadDLLs>winfsp-a64.dll</DelayLoadDLLs>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
@@ -181,6 +238,28 @@
       <DelayLoadDLLs>winfsp-$(PlatformTarget).dll</DelayLoadDLLs>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <AdditionalIncludeDirectories>$(MSBuildProgramFiles32)\WinFsp\inc</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>$(MSBuildProgramFiles32)\WinFsp\lib\winfsp-a64.lib;ntdll.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <DelayLoadDLLs>winfsp-a64.dll</DelayLoadDLLs>
+    </Link>
+  </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>