Commands for installing RelightLab 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 CNRISTI.RelightLab -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id CNRISTI.RelightLab -e --silentwinget uninstall --id CNRISTI.RelightLab -e --silentBy installer
64-bit · EXE (NSIS) · All users · en-US
Silent install
RelightLab2026.01-windows.exe /SCustom folder
RelightLab2026.01-windows.exe /S /D=C:\Apps\relightlab- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\RelightLab
- Install folder
- %ProgramFiles%\\RelightLab
64-bit · ZIP
No installation needed (portable)
PowerShell: download, verify, install
Downloads the official file, checks its SHA256 and installs it silently.
install-relightlab.ps1
$url = 'https://github.com/cnr-isti-vclab/relight/releases/download/RelightLab-2026.01/RelightLab2026.01-windows.exe'
$sha256 = '776A536EBA91BF682F2E0C2B2D473D0C19ED4296D80043FDF5C6C66983A3F8BE'
$file = Join-Path $env:TEMP 'RelightLab2026.01-windows.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 
