If there is a problem with a new version of Firefox, some people may want to downgrade Firefox to a previous version but we do not recommend this. The latest Firefox version includes security updates so downgrading to an older version leaves you more vulnerable to attacks and usually doesn't fix the problem. This article gives you some alternatives to downgrading and links to older versions of Firefox if you do choose to downgrade. Problems with an update are usually not caused by the new version of Firefox, but rather the update process.
In most cases, installing a previous version will not help. Instead, see:. Ensure all security and security-related software is fully updated. Some security software will need to be upgraded to a new version so that it is compatible with each Firefox version update.
Optional software bundled with security software also may need updating. View all Products. Work for a mission-driven organization that makes people-first products. More About Mozilla. More Mozilla Innovation.
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How we compare to other browsers. Ads are distracting and make web pages load slower while their trackers watch every move you make online. Make sure your operating system is up to date for the best experience.
Review system requirements. Take your privacy with you everywhere. Firefox Browsers for iOS and Android have the same strong privacy settings to block trackers from following you around the web, no matter where you are. Add as many as you want until your browser is just right. Go from light mode to dark mode depending on your mood or preference, or liven things up with a custom theme rainbow unicorn, perhaps.
Change up the new tab page, search bar, bookmarks and more to explore the internet the way you want. Firefox was created by Mozilla as a faster, more private alternative to browsers like Internet Explorer, and now Chrome.
More About Mozilla. More Mozilla Innovation. Hands off my Browser! This is a feature long requested by everyone. This feature uses cutting edge features and is only available for those on iOS For those of you who have been holding off from upgrading now is the time. Download Firefox Firefox Privacy Notice. Get Mozilla VPN.
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