Commands for installing Action! without prompts, removing it again and detecting it from deployment tools. A command is shown only when it is certain: from the manifest or the installer technology’s documented default.
Related guide: Silent install switches: MSI, NSIS, Inno Setup · Uninstall a program with the registry or PowerShell
With winget
PowerShell
winget install --id Mirillis.Action -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id Mirillis.Action -e --silentwinget uninstall --id Mirillis.Action -e --silentBy installer
32-bit · EXE (NSIS)
Silent install
action_4_48_1_setup.exe /SCustom folder
action_4_48_1_setup.exe /S /D=C:\Apps\action- Uninstall registry key
- HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Mirillis Action!
PowerShell: download, verify, install
Downloads the official file, checks its SHA256 and installs it silently.
install-action.ps1
$url = 'https://downloads.mirillis.com/files/action_4_48_1_setup.exe'
$sha256 = '5BA4D92DFB9955D520DF95894D68DDD51BF0061EE9AF797B7527405E5E5B57A7'
$file = Join-Path $env:TEMP 'action_4_48_1_setup.exe'
Invoke-WebRequest -Uri $url -OutFile $file -UseBasicParsing
if ((Get-FileHash $file -Algorithm SHA256).Hash -ne $sha256) { throw 'SHA256 mismatch' }
Start-Process -FilePath $file -ArgumentList '/S' -Wait 
