Commands for installing Firefox Developer Edition 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 Mozilla.Firefox.DeveloperEdition -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id Mozilla.Firefox.DeveloperEdition -e --silentwinget uninstall --id Mozilla.Firefox.DeveloperEdition -e --silentBy installer
64-bit · EXE (NSIS) · All users
Silent install
"Firefox Setup 156.0b2.exe" /S /PreventRebootRequired=trueCustom folder
"Firefox Setup 156.0b2.exe" /S /PreventRebootRequired=true /D=C:\Apps\firefox-developer-edition- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Firefox Developer Edition
ARM64 · EXE (NSIS) · All users
Silent install
"Firefox Setup 156.0b2.exe" /S /PreventRebootRequired=trueCustom folder
"Firefox Setup 156.0b2.exe" /S /PreventRebootRequired=true /D=C:\Apps\firefox-developer-edition- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Firefox Developer Edition
32-bit · EXE (NSIS) · All users
Silent install
"Firefox Setup 156.0b2.exe" /S /PreventRebootRequired=trueCustom folder
"Firefox Setup 156.0b2.exe" /S /PreventRebootRequired=true /D=C:\Apps\firefox-developer-edition- Uninstall registry key
- HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Firefox Developer Edition
PowerShell: download, verify, install
Downloads the official file, checks its SHA256 and installs it silently.
install-firefox-developer-edition.ps1
$url = 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/156.0b2/win64/en-US/Firefox%20Setup%20156.0b2.exe'
$sha256 = '16474C74B4C8456F283E2BBDC53CE1689582A816AE100555C459D6AEBBECCE8D'
$file = Join-Path $env:TEMP 'Firefox Setup 156.0b2.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 /PreventRebootRequired=true' -Wait install-firefox-developer-edition.ps1
$url = 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/156.0b2/win64-aarch64/en-US/Firefox%20Setup%20156.0b2.exe'
$sha256 = '8A54F365080466FE0E3072588FF1B047C2350EA8B937D195B500B184C2655C2E'
$file = Join-Path $env:TEMP 'Firefox Setup 156.0b2.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 /PreventRebootRequired=true' -Wait install-firefox-developer-edition.ps1
$url = 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/156.0b2/win32/en-US/Firefox%20Setup%20156.0b2.exe'
$sha256 = '66D6910EB8E80B1A6B28C894710D9789AF3F9D9B9EA96F972742AE2A4D3FF613'
$file = Join-Path $env:TEMP 'Firefox Setup 156.0b2.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 /PreventRebootRequired=true' -Wait 
