Commands for installing Unity 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 Unity.Unity.2020 -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id Unity.Unity.2020 -e --silentwinget uninstall --id Unity.Unity.2020 -e --silentBy installer
64-bit · EXE (NSIS) · All users
Silent install
UnitySetup64-2020.3.48f1.exe /SCustom folder
UnitySetup64-2020.3.48f1.exe /S /D=C:\Apps\unity- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Unity 2020.3.48f1
PowerShell: download, verify, install
Downloads the official file, checks its SHA256 and installs it silently.
install-unity.ps1
$url = 'https://download.unity3d.com/download_unity/b805b124c6b7/Windows64EditorInstaller/UnitySetup64-2020.3.48f1.exe'
$sha256 = '4B9652C2BCED5E3B796FA186C5F8660882D2D900BFC7630963ED32329C1D3FF0'
$file = Join-Path $env:TEMP 'UnitySetup64-2020.3.48f1.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 
