The exact silent switches the Seelen UI installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.
Add-AppxPackage -Path .\Seelen.UI_2.4.11.0_x64.Msix
Run from the directory containing Seelen.UI_2.4.11.0_x64.Msix. 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 Seelen UI install page.