How to update Firefox

How to update Firefox

Last updated: October 23, 2018 

Firefox is a free web browser application developed by the Mozilla Foundation.  It runs on desktops and laptops with the Windows, Mac OS X and Linux operating systems. A mobile version of Firefox is available for both Android and iOS devices. Information about how to update Firefox automatically and manually on your desktop or laptop computer is below. Mozilla releases a new version of Firefox every six weeks. You can check the RapidRelease calendar since the future release date are available.

Automatic Updates

By default, Firefox will automatically check for updates. As a result, it will notify you if an update is available. If you see an update prompt, click the Update Firefox button.  The newest version will download and install on your computer. Otherwise, wait for the automatic Firefox update to download and install. Click the Restart to update Firefox button to begin using the new version.

update Firefox

Manual Updates

You may also manually check for Firefox updates at any time. In the Menu bar at the top of the Firefox window, click the Help menu and select About Firefox

update Firefox

If you chose not to display Firefox’s Menu Bar, click the Menu icon instead. Next, click the question mark icon to open the Help Menu, and select About Firefox.

update Firefox



The About Mozilla Firefox window will open, and Firefox will begin checking for updates. If an update is available, it will begin downloading and applying automatically.

update Firefox

If Firefox is already up to date, then just close the About Firefox window. The automatic update will download and install since an update is available. Once the update has been both downloaded and applied, Firefox will restart and complete the update process. When your Firefox installation is up to date, Firefox is up to date will display with the version number.

update Firefox

A new Firefox tab may display once Firefox restarts that verifies Firefox is up to date.

update Firefox

If needed, you can manually download the latest version of Mozilla Firefox too. Just visit:  https://www.mozilla.org/firefox/

References for October 23, 2018, release of Firefox 63 (Firefox Quantum)

See What’s New: Firefox 63.0 Release Notes

Firefox Latest Security Advisories

US-CERT:  Mozilla Releases Security Updates for Firefox

Introducing the New Firefox: Firefox Quantum

Download Firefox 63 (Firefox Quantum)

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