Commands for installing Firefox Developer Edition (ff) 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.ff -e --silent --accept-package-agreements --accept-source-agreementswinget upgrade --id Mozilla.Firefox.DeveloperEdition.ff -e --silentwinget uninstall --id Mozilla.Firefox.DeveloperEdition.ff -e --silentBy installer
64-bit · EXE (NSIS) · All users
Silent install
"Firefox Setup 151.0b10.exe" /S /PreventRebootRequired=trueCustom folder
"Firefox Setup 151.0b10.exe" /S /PreventRebootRequired=true /D=C:\Apps\firefox-developer-edition-ff- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Firefox Developer Edition
ARM64 · EXE (NSIS) · All users
Silent install
"Firefox Setup 151.0b10.exe" /S /PreventRebootRequired=trueCustom folder
"Firefox Setup 151.0b10.exe" /S /PreventRebootRequired=true /D=C:\Apps\firefox-developer-edition-ff- Uninstall registry key
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Firefox Developer Edition
32-bit · EXE (NSIS) · All users
Silent install
"Firefox Setup 151.0b10.exe" /S /PreventRebootRequired=trueCustom folder
"Firefox Setup 151.0b10.exe" /S /PreventRebootRequired=true /D=C:\Apps\firefox-developer-edition-ff- 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-ff.ps1
$url = 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/151.0b10/win64/ff/Firefox%20Setup%20151.0b10.exe'
$sha256 = '06E110E5F3E96FF37E934642DB55766FFFED0FC98C9D0BDADACEE8F36B25798F'
$file = Join-Path $env:TEMP 'Firefox Setup 151.0b10.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-ff.ps1
$url = 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/151.0b10/win64-aarch64/ff/Firefox%20Setup%20151.0b10.exe'
$sha256 = 'F8CA302765C97A66FAF01D365635F2B3511EDC551934C7E24B4C12AB7D2428E9'
$file = Join-Path $env:TEMP 'Firefox Setup 151.0b10.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-ff.ps1
$url = 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/151.0b10/win32/ff/Firefox%20Setup%20151.0b10.exe'
$sha256 = '050DA3C14F397DAA077E1D6B9781AF1F8795A71ECB29FA178ED53F394785C3FF'
$file = Join-Path $env:TEMP 'Firefox Setup 151.0b10.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 
