The exact silent switches the Administrative Templates (.admx) for Windows 11 Sep 2025 Update installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.
msiexec.exe /i Administrative%20Templates%20(admx)%20for%20Windows%2011%20Sep%202025%20Update.msi /quiet /norestart
Run from the directory containing Administrative%20Templates%20(admx)%20for%20Windows%2011%20Sep%202025%20Update.msi. Download the installer from the Direct link below first.
| Architecture | Scope | Type | Silent switches | Source |
|---|---|---|---|---|
| x86 | - | MSI WiX | Default for WiX (MSI) |
/S for NSIS, /quiet /norestart for MSI).Prefer the winget route? See the full Administrative Templates (.admx) for Windows 11 Sep 2025 Update install page.