Where can i download previous versions of firefox

Mozilla Firefox Comments. Upload Software Get points for uploading software and use them to redeem prizes! Follow OldVersion. Old Version. Add info. Mozilla Firefox 1. Mozilla Firefox 3. Mozilla Firefox 4. Mozilla Firefox 5. Mozilla Firefox 6. Mozilla, the organization that develops Firefox, offers downloads of all previous Windows and macOS versions for testing purposes—they do not, however, recommend downgrading, as older version usually have unpatched security holes.

Mozilla doesn't offer older versions of the Firefox mobile app for download. Download the installer for the version you want.

Uninstall the current version. Disconnect from the internet. Install the downgraded version. Create a new profile. Disable automatic updates. Reconnect to the internet. Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue. No account yet? Create an account. Edit this Article. We use cookies to make wikiHow great.

By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article Steps. Tips and Warnings. Related Articles. Article Summary. Find out which version of Firefox you have now. If you're having trouble with Firefox and want to go back to the version you had before, you'll first need to figure out which version you have now. To find your version: Open Firefox. Click the menu with three horizontal lines at the top-right corner.

Click Help. Click About Firefox. The version number appears below "Firefox Browser" in the window e. This is the FTP link that archives all versions of Firefox that you can still install.

Select the Firefox version you want to install. For example, if you want to downgrade to version 86, you'd click Versions with a lowercase "b" in the name are beta versions. Click the folder for your operating system. The folders here don't always have the most straightforward names, so use these tips to help you make the right selection: Mac: This one is actually straight-forward—click the folder called mac.

Make sure you choose the same bit number 32 or 64 you saw in your version number. Click the language folder. If you use that, you need to select the right one of the 4 variants for your device.

For most modern phones it'll be arm Ensure you have auto-updating turned off in Play Store, and make sure that until we have a satisfactory latest version of Firefox, you don't accidentally "upgrade" again! Search Support Search. Learn More. Is there anywhere I can download the.