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Updating Mozilla Firefox

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Update Firefox

  1. In the menu bar, open the Firefox menu and choose About Firefox. The About Firefox window will open.
  2. Firefox will check for updates automatically. If an update is available, it will be downloaded.
    fx71macOS-AboutFirefox-Downloading
  3. When the download is complete, click Restart to update Firefox.
    fx71macOS-AboutFirefox-Restart
Having problems?

If you're having problems updating Firefox, download the Firefox installer, then close Firefox and run the installer.

All of your data will be preserved.

Configure how Firefox installs updates

  1. In the Menu bar at the top of the screen, click Firefox and select Preferences.
  2. In the General panel, go to the Firefox Updates section.

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