The exact silent switches the HEC-HMS installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.
HEC-HMS_413_Setup.exe /S /v/qn
Run from the directory containing HEC-HMS_413_Setup.exe. Download the installer from the Direct link below first.
| Architecture | Scope | Type | Silent switches | Source |
|---|---|---|---|---|
| neutral | - | EXE | Declared by publisher |
/S for NSIS, /quiet /norestart for MSI).Prefer the winget route? See the full HEC-HMS install page.