Last updated: July 13, 2021
- Watch the companion video: How to manually update Firefox
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.
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.
You may also manually check for Firefox updates at any time. In the Menu bar at the top of the Firefox window, click the menu and select .
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.
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.
If Firefox is already up to date, then just close the About Mozilla Firefox window. The automatic update will download and install since an update is available. Once the update has been both downloaded and applied, click the Restart to update Firefox button to complete the update process.
When your Firefox installation is up to date, Firefox is up to date will display with the version number.
A new Firefox tab may display once Firefox restarts that verifies Firefox is up to date.
If needed, you can manually download the latest version of Mozilla Firefox too. Just visit: https://www.mozilla.org/firefox/
References for July 13, 2021, release of Firefox Browser 90.0
- See What’s New: Firefox 90.0 Release Notes
- Mozilla Security Blog: Firefox 90 introduces SmartBlock 2.0 for Private Browsing
- Firefox Latest Security Advisories
- US-CERT: Mozilla Releases Security Update for Firefox
- Download Firefox 90.0
Thank you for visiting Tech Help Knowledgebase to learn how to update Firefox.
Henry Irvine, Contributing Technology Writer, translates more than a decade of internet technology experience in product and customer relationship management into practical help and how-to content. Look for him on Bay Area trails, music venues, or sausage shacks when he’s not writing. Don’t call him Hank if you see him. Seriously. Hank on Twitter