Update Firefox to the latest release

By default, Firefox updates automatically. You can always check for updates at any time, in which case an update is downloaded but not installed until you restart Firefox.

Please note this video shows an older version of Firefox. The screens shown may have changed.

Update Firefox

Note: If you use your Linux distribution's packaged version of Firefox, you will need to wait for an updated package to be released to its package repository. This article only applies if you installed Firefox manually (without using your distribution's package manager).
  1. Click the menu button Fx57Menu, click Fx57HelpHelp and select About Firefox.On the menu bar click the Firefox menu and select About Firefox.
  2. The About Mozilla FirefoxAbout Firefox window opens. Firefox will check for updates and download them automatically.
    Fx70aboutFirefox-Downloadingfx70Linux-AboutFirefox-Downloadingfx71macOS-AboutFirefox-Downloading
  3. When the download is complete, click Restart to update Firefox.
    Fx70aboutFirefox-Restartfx70Linux-AboutFirefox-Restartfx71macOS-AboutFirefox-Restart
  • If you are on a Mac computer with Apple Silicon and update from an older version to Firefox 84 or higher, you will need to fully exit and restart Firefox after the update (as explained here).
Important: If the update didn't start, complete, or there was some other problem, go to the Systems & Languages page to download and install the latest version of Firefox for your system and language. You can also use this download link (see How to download and install Firefox on WindowsInstall Firefox on LinuxHow to download and install Firefox on Mac for more information).

Stay safe: Download only from the official Mozilla links above to avoid malware and other online threats.

Update settings can be changed in Firefox OptionsPreferences . Click the menu button New Fx MenuFx57Menu and select Options.Preferences. In the General panel, go to the Firefox Updates section.

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