diff --git a/installer/PowerToysSetup/PowerToysInstaller.wixproj b/installer/PowerToysSetup/PowerToysInstaller.wixproj
index 8771920c3cd8..dc3fd804f52b 100644
--- a/installer/PowerToysSetup/PowerToysInstaller.wixproj
+++ b/installer/PowerToysSetup/PowerToysInstaller.wixproj
@@ -1,5 +1,8 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" InitialTargets="EnsureNuGetPackageBuildImports" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project>
+  <Import Project="Sdk.props" Sdk="WixToolset.Sdk" Version="5.0.2" />
+  <PropertyGroup>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+  </PropertyGroup>
   <Import Project="..\..\src\Version.props" Condition="Exists('..\..\src\Version.props')" />
   <Import Project="..\wix.props" Condition="Exists('..\wix.props')" />
   <PropertyGroup Condition="'$(Platform)' == 'x64'">
@@ -8,13 +11,6 @@
     The build pipeline builds the Settings and Launcher projects for Publication
     using a specific profile. If you're doing local installer builds, this will
     simulate the build pipeline doing that for you. -->
-    <PreBuildEvent>IF NOT DEFINED IsPipeline (
-call "$([MSBuild]::GetVsInstallRoot())\Common7\Tools\VsDevCmd.bat" -arch=amd64 -host_arch=amd64 -winsdk=10.0.19041.0 -vcvars_ver=$(VCToolsVersion)
-SET PTRoot=$(SolutionDir)\..
-call "..\..\..\publish.cmd" x64
-)
-call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuildThisFileDirectory)\generateMonacoWxs.ps1 -monacoWxsFile "$(MSBuildThisFileDirectory)\MonacoSRC.wxs"
-    </PreBuildEvent>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Platform)' != 'x64'">
     <DefineConstants>Version=$(Version);MonacoSRCHarvestPath=$(ProjectDir)..\..\ARM64\$(Configuration)\Assets\Monaco\monacoSRC</DefineConstants>
@@ -28,34 +24,6 @@ call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuil
   </PropertyGroup>
   <PropertyGroup>
     <RunPostBuildEvent>Always</RunPostBuildEvent>
-    <PostBuildEvent>
-      call move /Y ..\..\..\AdvancedPaste.wxs.bk ..\..\..\AdvancedPaste.wxs
-      call move /Y ..\..\..\Awake.wxs.bk ..\..\..\Awake.wxs
-      call move /Y ..\..\..\BaseApplications.wxs.bk ..\..\..\BaseApplications.wxs
-      call move /Y ..\..\..\ColorPicker.wxs.bk ..\..\..\ColorPicker.wxs
-      call move /Y ..\..\..\Core.wxs.bk ..\..\..\Core.wxs
-      call move /Y ..\..\..\EnvironmentVariables.wxs.bk ..\..\..\EnvironmentVariables.wxs
-      call move /Y ..\..\..\FileExplorerPreview.wxs.bk ..\..\..\FileExplorerPreview.wxs
-      call move /Y ..\..\..\FileLocksmith.wxs.bk ..\..\..\FileLocksmith.wxs
-      call move /Y ..\..\..\Hosts.wxs.bk ..\..\..\Hosts.wxs
-      call move /Y ..\..\..\ImageResizer.wxs.bk ..\..\..\ImageResizer.wxs
-      call move /Y ..\..\..\KeyboardManager.wxs.bk ..\..\..\KeyboardManager.wxs
-      call move /Y ..\..\..\MouseWithoutBorders.wxs.bk ..\..\..\MouseWithoutBorders.wxs
-      call move /Y ..\..\..\NewPlus.wxs.bk ..\..\..\NewPlus.wxs
-      call move /Y ..\..\..\Peek.wxs.bk ..\..\..\Peek.wxs
-      call move /Y ..\..\..\PowerRename.wxs.bk ..\..\..\PowerRename.wxs
-      call move /Y ..\..\..\Product.wxs.bk ..\..\..\Product.wxs
-      call move /Y ..\..\..\RegistryPreview.wxs.bk ..\..\..\RegistryPreview.wxs
-      call move /Y ..\..\..\Resources.wxs.bk ..\..\..\Resources.wxs
-      call move /Y ..\..\..\Run.wxs.bk ..\..\..\Run.wxs
-      call move /Y ..\..\..\Settings.wxs.bk ..\..\..\Settings.wxs
-      call move /Y ..\..\..\ShortcutGuide.wxs.bk ..\..\..\ShortcutGuide.wxs
-      call move /Y ..\..\..\Tools.wxs.bk ..\..\..\Tools.wxs
-      call move /Y ..\..\..\VideoConference.wxs.bk ..\..\..\VideoConference.wxs
-      call move /Y ..\..\..\WinAppSDK.wxs.bk ..\..\..\WinAppSDK.wxs
-      call move /Y ..\..\..\WinUI3Applications.wxs.bk ..\..\..\WinUI3Applications.wxs
-      call move /Y ..\..\..\Workspaces.wxs.bk ..\..\..\Workspaces.wxs
-      </PostBuildEvent>
   </PropertyGroup>
   <PropertyGroup>
     <Name>PowerToysInstaller</Name>
@@ -70,15 +38,9 @@ call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuil
     <!-- We do not support debug installer builds -->
     <Configuration Condition=" '$(Configuration)' == '' ">Release</Configuration>
     <Platform>$(Platform)</Platform>
-    <ProductVersion>3.10</ProductVersion>
-    <ProjectGuid>022a9d30-7c4f-416d-a9df-5ff2661cc0ad</ProjectGuid>
-    <SchemaVersion>2.0</SchemaVersion>
     <OutputName Condition=" '$(PerUser)' != 'true' ">PowerToysSetup-$(Version)-$(Platform)</OutputName>
     <OutputName Condition=" '$(PerUser)' == 'true' ">PowerToysUserSetup-$(Version)-$(Platform)</OutputName>
-    <OutputType>Package</OutputType>
     <SuppressAclReset>True</SuppressAclReset>
-    <NuGetPackageImportStamp>
-    </NuGetPackageImportStamp>
     <!-- 1076 and ICE91 - warning: using this configuration for perMachine install could cause problems. -->
     <!-- 1026 - warning: file ID is too long -->
     <SuppressIces>ICE91</SuppressIces>
@@ -129,22 +91,11 @@ call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuil
     <Compile Include="Workspaces.wxs" />
   </ItemGroup>
   <ItemGroup>
-    <WixExtension Include="WixFirewallExtension">
-      <HintPath>$(WixExtDir)\WixFirewallExtension.dll</HintPath>
-      <Name>WixFirewallExtension</Name>
-    </WixExtension>
-    <WixExtension Include="WixUtilExtension">
-      <HintPath>$(WixExtDir)\WixUtilExtension.dll</HintPath>
-      <Name>WixUtilExtension</Name>
-    </WixExtension>
-    <WixExtension Include="WixUIExtension">
-      <HintPath>$(WixExtDir)\WixUIExtension.dll</HintPath>
-      <Name>WixUIExtension</Name>
-    </WixExtension>
-    <WixExtension Include="WixNetFxExtension">
-      <HintPath>$(WixExtDir)\WixNetFxExtension.dll</HintPath>
-      <Name>WixNetFxExtension</Name>
-    </WixExtension>
+    <PackageReference Include="WixToolset.Firewall.wixext" Version="5.0.2" />
+    <PackageReference Include="WixToolset.Util.wixext" Version="5.0.2" />
+    <PackageReference Include="WixToolset.UI.wixext" Version="5.0.2" />
+    <PackageReference Include="WixToolset.NetFx.wixext" Version="5.0.2" />
+    <PackageReference Include="WixToolset.Heat" Version="5.0.2" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="CustomDialogs" />
@@ -159,30 +110,6 @@ call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuil
       <RefTargetDir>INSTALLFOLDER</RefTargetDir>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <Content Include="packages.config" />
-  </ItemGroup>
-  <Import Project="$(WixTargetsPath)" Condition=" '$(WixTargetsPath)' != '' " />
-  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\WiX\v3.x\Wix.targets" Condition=" '$(WixTargetsPath)' == '' AND Exists('$(MSBuildExtensionsPath32)\Microsoft\WiX\v3.x\Wix.targets') " />
-  <Target Name="EnsureWixToolsetInstalled" Condition=" '$(WixTargetsImported)' != 'true' ">
-    <Error Text="The WiX Toolset v3 build tools must be installed to build this project. To download the WiX Toolset, see http://wixtoolset.org/releases/" />
-  </Target>
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\wix.props')" Text="$([System.String]::Format('$(ErrorText)', '..\wix.props'))" />
-  </Target>
-  <!--
-	To modify your build process, add your task inside one of the targets below and uncomment it.
-	Other similar extension points exist, see Wix.targets.
-	<Target Name="BeforeBuild">
-	</Target>
-	<Target Name="AfterBuild">
-	</Target> -->
-  <Target Name="BeforeBuild">
-    <HeatDirectory Directory="..\..\src\Monaco\monacoSRC" PreprocessorVariable="var.MonacoSRCHarvestPath" OutputFile="MonacoSRC.wxs" ComponentGroupName="MonacoSRCHeatGenerated" DirectoryRefId="MonacoPreviewHandlerMonacoSRCFolder" AutogenerateGuids="false" GenerateGuidsNow="true" ToolPath="$(WixToolPath)" RunAsSeparateProcess="true" SuppressFragments="false" SuppressRegistry="false" SuppressRootDirectory="true" />
-  </Target>
   <!-- Prevents NU1503 -->
   <Target Name="_IsProjectRestoreSupported" Returns="@(_ValidProjectsForRestore)">
     <ItemGroup>
@@ -190,4 +117,14 @@ call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuil
     </ItemGroup>
   </Target>
   <Target Name="Restore" />
+  <Import Project="Sdk.targets" Sdk="WixToolset.Sdk" Version="5.0.2" />
+  <Target Name="BeforeBuild">
+    <HeatDirectory Directory="..\..\src\Monaco\monacoSRC" PreprocessorVariable="var.MonacoSRCHarvestPath" OutputFile="MonacoSRC.wxs" ComponentGroupName="MonacoSRCHeatGenerated" DirectoryRefId="MonacoPreviewHandlerMonacoSRCFolder" AutogenerateGuids="false" GenerateGuidsNow="true" ToolPath="$(WixToolPath)" SuppressFragments="false" SuppressRegistry="false" SuppressRootDirectory="true" />
+  </Target>
+  <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+    <Exec Command="IF NOT DEFINED IsPipeline (&#xA;call &quot;$([MSBuild]::GetVsInstallRoot())\Common7\Tools\VsDevCmd.bat&quot; -arch=amd64 -host_arch=amd64 -winsdk=10.0.19041.0 -vcvars_ver=$(VCToolsVersion)&#xA;SET PTRoot=$(SolutionDir)\..&#xA;call &quot;..\..\..\publish.cmd&quot; x64&#xA;)&#xA;call powershell.exe -NonInteractive -executionpolicy Unrestricted -File $(MSBuildThisFileDirectory)\generateMonacoWxs.ps1 -monacoWxsFile &quot;$(MSBuildThisFileDirectory)\MonacoSRC.wxs&quot;&#xA;    " />
+  </Target>
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+    <Exec Command="&#xA;      call move /Y ..\..\..\AdvancedPaste.wxs.bk ..\..\..\AdvancedPaste.wxs&#xA;      call move /Y ..\..\..\Awake.wxs.bk ..\..\..\Awake.wxs&#xA;      call move /Y ..\..\..\BaseApplications.wxs.bk ..\..\..\BaseApplications.wxs&#xA;      call move /Y ..\..\..\ColorPicker.wxs.bk ..\..\..\ColorPicker.wxs&#xA;      call move /Y ..\..\..\Core.wxs.bk ..\..\..\Core.wxs&#xA;      call move /Y ..\..\..\EnvironmentVariables.wxs.bk ..\..\..\EnvironmentVariables.wxs&#xA;      call move /Y ..\..\..\FileExplorerPreview.wxs.bk ..\..\..\FileExplorerPreview.wxs&#xA;      call move /Y ..\..\..\FileLocksmith.wxs.bk ..\..\..\FileLocksmith.wxs&#xA;      call move /Y ..\..\..\Hosts.wxs.bk ..\..\..\Hosts.wxs&#xA;      call move /Y ..\..\..\ImageResizer.wxs.bk ..\..\..\ImageResizer.wxs&#xA;      call move /Y ..\..\..\KeyboardManager.wxs.bk ..\..\..\KeyboardManager.wxs&#xA;      call move /Y ..\..\..\MouseWithoutBorders.wxs.bk ..\..\..\MouseWithoutBorders.wxs&#xA;      call move /Y ..\..\..\NewPlus.wxs.bk ..\..\..\NewPlus.wxs&#xA;      call move /Y ..\..\..\Peek.wxs.bk ..\..\..\Peek.wxs&#xA;      call move /Y ..\..\..\PowerRename.wxs.bk ..\..\..\PowerRename.wxs&#xA;      call move /Y ..\..\..\Product.wxs.bk ..\..\..\Product.wxs&#xA;      call move /Y ..\..\..\RegistryPreview.wxs.bk ..\..\..\RegistryPreview.wxs&#xA;      call move /Y ..\..\..\Resources.wxs.bk ..\..\..\Resources.wxs&#xA;      call move /Y ..\..\..\Run.wxs.bk ..\..\..\Run.wxs&#xA;      call move /Y ..\..\..\Settings.wxs.bk ..\..\..\Settings.wxs&#xA;      call move /Y ..\..\..\ShortcutGuide.wxs.bk ..\..\..\ShortcutGuide.wxs&#xA;      call move /Y ..\..\..\Tools.wxs.bk ..\..\..\Tools.wxs&#xA;      call move /Y ..\..\..\VideoConference.wxs.bk ..\..\..\VideoConference.wxs&#xA;      call move /Y ..\..\..\WinAppSDK.wxs.bk ..\..\..\WinAppSDK.wxs&#xA;      call move /Y ..\..\..\WinUI3Applications.wxs.bk ..\..\..\WinUI3Applications.wxs&#xA;      call move /Y ..\..\..\Workspaces.wxs.bk ..\..\..\Workspaces.wxs&#xA;      " />
+  </Target>
 </Project>
\ No newline at end of file
diff --git a/installer/PowerToysSetup/RegistryPreview.wxs b/installer/PowerToysSetup/RegistryPreview.wxs
index f7bd3948d422..f54a328881a1 100644
--- a/installer/PowerToysSetup/RegistryPreview.wxs
+++ b/installer/PowerToysSetup/RegistryPreview.wxs
@@ -1,6 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
-     xmlns:util="http://schemas.microsoft.com/wix/UtilExtension" >
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
 
   <?include $(sys.CURRENTDIR)\Common.wxi?>
 
@@ -18,11 +16,11 @@
     </DirectoryRef>
 
     <ComponentGroup Id="RegistryPreviewComponentGroup">
-      <Component Id="RemoveRegistryPreviewFolder" Guid="D3DBC395-FAC5-44B1-BE44-3FE2B6E0F391" Directory="RegistryPreviewAssetsInstallFolder" >
+      <Component Id="RemoveRegistryPreviewFolder" Guid="D3DBC395-FAC5-44B1-BE44-3FE2B6E0F391" Directory="RegistryPreviewAssetsInstallFolder">
         <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
-          <RegistryValue Type="string" Name="RemoveRegistryPreviewFolder" Value="" KeyPath="yes"/>
+          <RegistryValue Type="string" Name="RemoveRegistryPreviewFolder" Value="" KeyPath="yes" />
         </RegistryKey>
-        <RemoveFolder Id="RemoveFolderRegistryPreviewAssetsFolder" Directory="RegistryPreviewAssetsInstallFolder" On="uninstall"/>
+        <RemoveFolder Id="RemoveFolderRegistryPreviewAssetsFolder" Directory="RegistryPreviewAssetsInstallFolder" On="uninstall" />
       </Component>
     </ComponentGroup>