Read the full error message carefully. It will tell you the exact minimum version required (e.g., 8.2310.30001.0 or 8.2501.31001.0 ).
Once you have downloaded the appropriate .appx or .appxbundle file, use one of the two methods below to install it. Approach A: The Double-Click Method (GUI) Navigate to your downloads folder. microsoft.ui.xaml.2.8 appx download
Paste the following command to register the framework from online stores: powershell Read the full error message carefully
The computer disagreed. Something in the background, perhaps a zombie process from a previous failed test, was holding onto the old version of the library. He couldn't kill the process because he didn't know which one it was. Approach A: The Double-Click Method (GUI) Navigate to
Ultimate Guide to Microsoft.UI.Xaml.2.8 APX Download and Installation
Get-AppXPackage -AllUsers -Name "Microsoft.UI.Xaml.2.8" | Foreach Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml" Use code with caution.
Add-AppxPackage -Path "C:\Path\To\Microsoft.UI.Xaml.2.8.appx" Microsoft Learn Method 3: Using WinGet