By default, Firefox updates automatically. You can always check for updates at any time, in which case an update is downloaded, but it is not installed until you restart Firefox.
- Click the menu button , click and select .Click the menu button , click Help and select .On the Menu bar, click the menu and select .
- The About Mozilla FirefoxAbout Firefox window opens. Firefox will check for updates and, if an update is available, it will be downloaded automatically by default.
- When the download is complete, click
Stay safe: Download only from the official Mozilla links above to avoid malware and other online threats.
Note: Update settings can be changed in Firefox OptionsPreferencesSettings .
In the Menu bar at the top of the screen, click and select .Click the menu button and select .Click the menu button and select .In the panel, go to the Firefox Updates section.