He found the link on the NuGet gallery— Microsoft.UI.Xaml.2.8.6 (or whatever the latest minor revision was). He clicked Download .
You are using tools like SCCM or Intune to push updates to a fleet of corporate devices. How to Download Microsoft.UI.Xaml.2.8 1. For Developers (NuGet) microsoft.ui.xaml.2.8 appx download
Here are the most frequent errors you may encounter and their solutions. He found the link on the NuGet gallery— Microsoft