By default, Firefox is set to update automatically but you can always do a manual update. A manual update will still let Firefox download an update but it won't install it until you restart Firefox. Here's how to set it up:
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- Click the menu button , click Help and select About Firefox.On the menu bar click the Firefox menu and select About Firefox.
- The About Mozilla FirefoxAbout Firefox window will open. Firefox will begin checking for updates and downloading them automatically.
- When the download is complete, click .
Stay safe: Download only from the official Mozilla links above to avoid unwanted programs like malware.
Update settings can be changed in Firefox OptionsPreferences. Click the menu button and choose .. In the General panel, scroll down to the Firefox Updates section.