The exact silent switches the Kasts (AppX) installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.
Add-AppxPackage -Path .\kasts-release_25.12-4214-windows-cl-msvc2022-x86_64-sideload.appx
Run from the directory containing kasts-release_25.12-4214-windows-cl-msvc2022-x86_64-sideload.appx. Download the installer from the Direct link below first.
| Architecture | Scope | Type | Silent switches | Source |
|---|---|---|---|---|
| x64 | - | MSIX | none required | Inherently silent |
/S for NSIS, /quiet /norestart for MSI).Prefer the winget route? See the full Kasts (AppX) install page.