The exact silent switches the ILSpy installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.
msiexec.exe /i ILSpy_Installer_10.1.0.8386-x64.msi /quiet /norestart
Run from the directory containing ILSpy_Installer_10.1.0.8386-x64.msi. Download the installer from the Direct link below first.
| Architecture | Scope | Type | Silent switches | Source |
|---|---|---|---|---|
| x64 | - | MSI WiX | Default for WiX (MSI) | |
| arm64 | - | MSI WiX | Default for WiX (MSI) |
/S for NSIS, /quiet /norestart for MSI).Prefer the winget route? See the full ILSpy install page.