Post-build, the .appx can be found in: $(NuGetPackageRoot)microsoft.ui.xaml\2.8.6\tools\AppX\x64\Release\Microsoft.UI.Xaml.2.8.appx
The format is the deployment mechanism for this framework on Windows 10 and Windows 11. It is a dependency required by many modern applications (e.g., Photos, Calculator, third-party apps built with WinUI) to function correctly.
: If your terminal is working, the easiest way to install it is via winstall.app using the following command: winget install -e --id Microsoft.UI.Xaml.2.8 [4]. The "Hidden" Nuget Method
