Commands for installing PostgreSQL 12 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 PostgreSQL.PostgreSQL.12 -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id PostgreSQL.PostgreSQL.12 -e --silentwinget uninstall --id PostgreSQL.PostgreSQL.12 -e --silentBy installer
64-bit · EXE · All users
Silent install
postgresql-12.22-1-windows-x64.exe --mode unattended --unattendedmodeui none- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PostgreSQL 12
PowerShell: download, verify, install
Downloads the official file, checks its SHA256 and installs it silently.
install-postgresql-12.ps1
$url = 'https://get.enterprisedb.com/postgresql/postgresql-12.22-1-windows-x64.exe'
$sha256 = '0F7F6EDA581552AA697DD8FCA1D370F9B157DF501B229BD73AA42D08E36FC33E'
$file = Join-Path $env:TEMP 'postgresql-12.22-1-windows-x64.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 '--mode unattended --unattendedmodeui none' -Wait 
