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.
- 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 download them automatically.
- When the download is complete, click
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 and select . In the . panel, go to the Firefox Updates section.