diff --git a/src/ext/UI/test/WixToolsetTest.UI/TestData/WixUI_Advanced/Package.wxs b/src/ext/UI/test/WixToolsetTest.UI/TestData/WixUI_Advanced/Package.wxs
index 095a4546d..5595e8aff 100644
--- a/src/ext/UI/test/WixToolsetTest.UI/TestData/WixUI_Advanced/Package.wxs
+++ b/src/ext/UI/test/WixToolsetTest.UI/TestData/WixUI_Advanced/Package.wxs
@@ -1,16 +1,6 @@
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs" xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui">
     <Package Name="WixUI_Advanced" Language="1033" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="047730a5-30fe-4a62-a520-da9381b8226a">
-        <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
-
-        <Feature Id="ProductFeature" Title="MsiPackage">
-            <ComponentGroupRef Id="ProductComponents" />
-        </Feature>
-
-        <ComponentGroup Id="ProductComponents" Directory="APPLICATIONFOLDER">
-            <Component>
-                <File Source="example.txt" />
-            </Component>
-        </ComponentGroup>
+        <File Source="example.txt" Directory="APPLICATIONFOLDER" />
 
         <ui:WixUI Id="WixUI_Advanced" />
         <Property Id="ApplicationFolderName" Value="MyProgram" />
@@ -18,10 +8,8 @@
     </Package>
 
     <Fragment>
-        <StandardDirectory Id="ProgramFilesFolder">
-            <Directory Id="INSTALLFOLDER" Name="MsiPackage">
-                <Directory Id="APPLICATIONFOLDER" />
-            </Directory>
-        </StandardDirectory>
+        <DirectoryRef Id="INSTALLFOLDER">
+            <Directory Id="APPLICATIONFOLDER" />
+        </DirectoryRef>
     </Fragment>
 </Wix>
diff --git a/src/ext/UI/test/WixToolsetTest.UI/UIExtensionFixture.cs b/src/ext/UI/test/WixToolsetTest.UI/UIExtensionFixture.cs
index 9bc82fcfc..59b4a01ef 100644
--- a/src/ext/UI/test/WixToolsetTest.UI/UIExtensionFixture.cs
+++ b/src/ext/UI/test/WixToolsetTest.UI/UIExtensionFixture.cs
@@ -37,6 +37,7 @@ public void CanBuildUsingWixUIAdvanced()
             }, results.Where(r => r.StartsWith("Binary:")).ToArray());
             WixAssert.CompareLineByLine(new[]
             {
+                "CustomAction:WixSetDefaultPerMachine64Folder\t51\tWixPerMachineFolder\t[ProgramFiles64Folder][ApplicationFolderName]\t",
                 "CustomAction:WixSetDefaultPerMachineFolder\t51\tWixPerMachineFolder\t[ProgramFilesFolder][ApplicationFolderName]\t",
                 "CustomAction:WixSetDefaultPerUserFolder\t51\tWixPerUserFolder\t[LocalAppDataFolder]Apps\\[ApplicationFolderName]\t",
                 "CustomAction:WixSetPerMachineFolder\t51\tAPPLICATIONFOLDER\t[WixPerMachineFolder]\t",
@@ -70,6 +71,7 @@ public void CanBuildUsingWixUIAdvancedX64()
             }, results.Where(r => r.StartsWith("Binary:")).ToArray());
             WixAssert.CompareLineByLine(new[]
             {
+                "CustomAction:WixSetDefaultPerMachine64Folder\t51\tWixPerMachineFolder\t[ProgramFiles64Folder][ApplicationFolderName]\t",
                 "CustomAction:WixSetDefaultPerMachineFolder\t51\tWixPerMachineFolder\t[ProgramFilesFolder][ApplicationFolderName]\t",
                 "CustomAction:WixSetDefaultPerUserFolder\t51\tWixPerUserFolder\t[LocalAppDataFolder]Apps\\[ApplicationFolderName]\t",
                 "CustomAction:WixSetPerMachineFolder\t51\tAPPLICATIONFOLDER\t[WixPerMachineFolder]\t",
@@ -98,6 +100,7 @@ public void CanBuildUsingWixUIAdvancedARM64()
             }, results.Where(r => r.StartsWith("Binary:")).ToArray());
             WixAssert.CompareLineByLine(new[]
             {
+                "CustomAction:WixSetDefaultPerMachine64Folder\t51\tWixPerMachineFolder\t[ProgramFiles64Folder][ApplicationFolderName]\t",
                 "CustomAction:WixSetDefaultPerMachineFolder\t51\tWixPerMachineFolder\t[ProgramFilesFolder][ApplicationFolderName]\t",
                 "CustomAction:WixSetDefaultPerUserFolder\t51\tWixPerUserFolder\t[LocalAppDataFolder]Apps\\[ApplicationFolderName]\t",
                 "CustomAction:WixSetPerMachineFolder\t51\tAPPLICATIONFOLDER\t[WixPerMachineFolder]\t",
diff --git a/src/ext/UI/wixlib/WixUI_Advanced.wxs b/src/ext/UI/wixlib/WixUI_Advanced.wxs
index 35955a1a9..6eb059496 100644
--- a/src/ext/UI/wixlib/WixUI_Advanced.wxs
+++ b/src/ext/UI/wixlib/WixUI_Advanced.wxs
@@ -22,6 +22,8 @@ Todo:
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
     <?foreach WIXUIARCH in X86;X64;A64 ?>
     <Fragment>
+        <WixVariable Id="WixUIAdvancedArch" Value="$(WIXUIARCH)" />
+
         <UI Id="WixUI_Advanced_$(WIXUIARCH)">
             <Publish Dialog="BrowseDlg" Control="OK" Event="CheckTargetPath" Value="[WIXUI_INSTALLDIR]" Order="1" />
 
@@ -56,19 +58,22 @@ Todo:
 
         <CustomAction Id="WixSetDefaultPerUserFolder" Property="WixPerUserFolder" Value="[LocalAppDataFolder]Apps\[ApplicationFolderName]" Execute="immediate" />
         <CustomAction Id="WixSetDefaultPerMachineFolder" Property="WixPerMachineFolder" Value="[ProgramFilesFolder][ApplicationFolderName]" Execute="immediate" />
+        <CustomAction Id="WixSetDefaultPerMachine64Folder" Property="WixPerMachineFolder" Value="[ProgramFiles64Folder][ApplicationFolderName]" Execute="immediate" />
         <CustomAction Id="WixSetPerUserFolder" Property="APPLICATIONFOLDER" Value="[WixPerUserFolder]" Execute="immediate" />
         <CustomAction Id="WixSetPerMachineFolder" Property="APPLICATIONFOLDER" Value="[WixPerMachineFolder]" Execute="immediate" />
 
         <InstallExecuteSequence>
             <Custom Action="WixSetDefaultPerUserFolder" Before="CostFinalize" />
-            <Custom Action="WixSetDefaultPerMachineFolder" After="WixSetDefaultPerUserFolder" />
-            <Custom Action="WixSetPerUserFolder" After="WixSetDefaultPerMachineFolder" Condition="ACTION=&quot;INSTALL&quot; AND APPLICATIONFOLDER=&quot;&quot; AND (ALLUSERS=&quot;&quot; OR (ALLUSERS=2 AND (NOT Privileged)))" />
+            <Custom Action="WixSetDefaultPerMachineFolder" After="WixSetDefaultPerUserFolder" Condition="&quot;!(wix.WixUIAdvancedArch)&quot;=&quot;X86&quot;" />
+            <Custom Action="WixSetDefaultPerMachine64Folder" After="WixSetDefaultPerMachineFolder" Condition="&quot;!(wix.WixUIAdvancedArch)&quot;=&quot;X64&quot; OR &quot;!(wix.WixUIAdvancedArch)&quot;=&quot;A64&quot;" />
+            <Custom Action="WixSetPerUserFolder" After="WixSetDefaultPerMachine64Folder" Condition="ACTION=&quot;INSTALL&quot; AND APPLICATIONFOLDER=&quot;&quot; AND (ALLUSERS=&quot;&quot; OR (ALLUSERS=2 AND (NOT Privileged)))" />
             <Custom Action="WixSetPerMachineFolder" After="WixSetPerUserFolder" Condition="ACTION=&quot;INSTALL&quot; AND APPLICATIONFOLDER=&quot;&quot; AND (ALLUSERS=1 OR (ALLUSERS=2 AND Privileged))" />
         </InstallExecuteSequence>
         <InstallUISequence>
             <Custom Action="WixSetDefaultPerUserFolder" Before="CostFinalize" />
-            <Custom Action="WixSetDefaultPerMachineFolder" After="WixSetDefaultPerUserFolder" />
-            <Custom Action="WixSetPerUserFolder" After="WixSetDefaultPerMachineFolder" Condition="ACTION=&quot;INSTALL&quot; AND APPLICATIONFOLDER=&quot;&quot; AND (ALLUSERS=&quot;&quot; OR (ALLUSERS=2 AND (NOT Privileged)))" />
+            <Custom Action="WixSetDefaultPerMachineFolder" After="WixSetDefaultPerUserFolder" Condition="&quot;!(wix.WixUIAdvancedArch)&quot;=&quot;X86&quot;" />
+            <Custom Action="WixSetDefaultPerMachine64Folder" After="WixSetDefaultPerMachineFolder" Condition="&quot;!(wix.WixUIAdvancedArch)&quot;=&quot;X64&quot; OR &quot;!(wix.WixUIAdvancedArch)&quot;=&quot;A64&quot;" />
+            <Custom Action="WixSetPerUserFolder" After="WixSetDefaultPerMachine64Folder" Condition="ACTION=&quot;INSTALL&quot; AND APPLICATIONFOLDER=&quot;&quot; AND (ALLUSERS=&quot;&quot; OR (ALLUSERS=2 AND (NOT Privileged)))" />
             <Custom Action="WixSetPerMachineFolder" After="WixSetPerUserFolder" Condition="ACTION=&quot;INSTALL&quot; AND APPLICATIONFOLDER=&quot;&quot; AND (ALLUSERS=1 OR (ALLUSERS=2 AND Privileged))" />
         </InstallUISequence>