More About Mozilla. Firefox release notes are specific to each version of the application. Select your version from the list below to see the release notes for it. Download Firefox Firefox Privacy Notice. Get Mozilla VPN. Firefox Browsers Close Firefox Browsers menu Firefox for Desktop Get the not-for-profit-backed browser on Windows, Mac or Linux. Firefox for Android Get the customizable mobile browser for Android smartphones. Firefox for iOS Get the mobile browser for your iPhone or iPad. Firefox Focus Simply private mobile browsing. Privacy Promise Learn how Firefox treats your data with respect. Firefox Blog Read about new Firefox features and ways to stay safe online. Release Notes Get the details on the latest Firefox updates. Facebook Container Help prevent Facebook from collecting your data outside their site. Pocket Save and discover the best stories from across the web. Mozilla VPN Get protection beyond your browser, on all your devices.

Product Promise Learn how each Firefox product protects and respects your data. Firefox Directory of other versions and languages. Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives:. Install Firefox Extended Support Release. Firefox Extended Support Release ESR is an official version of Firefox developed for large organizations, such as universities and businesses, but it can also be used for personal computers. Firefox ESR does not come with the latest features but it does have the latest security and stability fixes. For more information, see the article Switch to Firefox Extended Support Release ESR for personal use. Use the latest version of another browser. If you are not satisfied with the current Firefox version or it simply is not working right now, there are alternative browsers that you can use to browse the web.

If the latest version of Firefox is giving you trouble or you just don't like something about it, please give us feedback about it here:. Submit your feedback and suggestions about Firefox. Grow and share your expertise with others. Answer questions and improve our knowledge base. Search Support Search. Home Firefox Download, install and migration Install an older version of Firefox. Warning: Firefox now includes downgrade protection to prevent corruption of user profile data. If you install an older version, you'll be prompted to create a new Firefox profile.

Table of Contents 1 Unwanted features in the new Firefox version 2 Installing a previous version doesn't fix most problems 3 I still want to downgrade — where can I get the previous version? Note: Other problems can be solved with the Refresh Firefox feature. It restores Firefox to its default state while saving your essential information. Warning: Older Firefox versions pose a significant security risk. Important : By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences.

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. If you dislike new features in the latest version of Firefox, your first reaction might be to go back to the previous version. Rather than downgrading, try getting used to the new features or ask a question on the support forum, to see if there is a workaround or a way to restore the old behavior without downgrading Firefox. See Get community support. 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. Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash. Firefox Directory of other versions and languages. Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives:. Install Firefox Extended Support Release. Firefox Extended Support Release ESR is an official version of Firefox developed for large organizations, such as universities and businesses, but it can also be used for personal computers.

Firefox ESR does not come with the latest features but it does have the latest security and stability fixes. For more information, see the article Switch to Firefox Extended Support Release ESR for personal use. Use the latest version of another browser. If you are not satisfied with the current Firefox version or it simply is not working right now, there are alternative browsers that you can use to browse the web. If the latest version of Firefox is giving you trouble or you just don't like something about it, please give us feedback about it here:. Submit your feedback and suggestions about Firefox. Grow and share your expertise with others. Answer questions and improve our knowledge base.

Search Support Search. Home Firefox Download, install and migration Install an older version of Firefox. Warning: Firefox now includes downgrade protection to prevent corruption of user profile data. If you install an older version, you'll be prompted to create a new Firefox profile. Table of Contents 1 Unwanted features in the new Firefox version 2 Installing a previous version doesn't fix most problems 3 I still want to downgrade — where can I get the previous version? Note: Other problems can be solved with the Refresh Firefox feature. It restores Firefox to its default state while saving your essential information. Warning: Older Firefox versions pose a significant security risk. Important : By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences.

Click the menu button and select Settings. In the General panel, go to the Firefox Updates section. Microsoft Edge Microsoft Edge Google Chrome Opera. Safari Google Chrome Opera Microsoft Edge. Google Chrome Opera Microsoft Edge. Was this article helpful? Yes 👍 No 👎. AliceWyman , Chris Ilias , philipp , jscher - Support Volunteer , Underpass , Thomas , Tonnes , Michele Rodaro , David satdav , Roland Tanglao , Michael Verdi , scoobidiver , John99 , hobophobe , Swarnava Sengupta , minozake , LouCypher , ideato , Michal Stanke , user , Lan , Imen , Joni , Artist , Marcelo Ghelman , YD , Zppix , Yang Hanlin , gm , Jeff , Mark Heijl , Ángela Navidad , DemanT , PGGWriter , natasha. Volunteer Grow and share your expertise with others.

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To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences. Close Who We Are menu Mozilla Manifesto Learn about the values and principles that guide our mission. Add info. If you dislike new features in the latest version of Firefox, your first reaction might be to go back to the previous version. If you install an older version, you'll be prompted to create a new Firefox profile.

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