The exact silent switches the Microsoft.UI.Xaml installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.
Add-AppxPackage -Path .\Microsoft.UI.Xaml.2.8.x64.appx
Run from the directory containing Microsoft.UI.Xaml.2.8.x64.appx. Download the installer from the Direct link below first.
| Architecture | Scope | Type | Silent switches | Source |
|---|---|---|---|---|
| x64 | - | APPX | none required | Inherently silent |
| arm64 | - | APPX | none required | Inherently silent |
| x86 | - | APPX | none required | Inherently silent |
| arm | - | APPX | none required | Inherently silent |
/S for NSIS, /quiet /norestart for MSI).Prefer the winget route? See the full Microsoft.UI.Xaml install page.