Install an older version of Firefox

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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.

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.

Unwanted features in the new Firefox version

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.

Installing a previous version doesn't fix most problems

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:

Note: Other problems can be solved with the Refresh Firefox feature. It restores Firefox to its default state while saving your essential information.

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 Such software may not be essential for your security but, if outdated, may interfere with the use of Firefox or cause Firefox to crash.

I still want to downgrade — where can I get the previous version?

If you still want to downgrade, you can visit Mozilla's directory of older Firefox versions using the links below. Please note, however, that using older versions can make Firefox insecure and more vulnerable to attacks and scams. We recommend that you always use the newest version of Firefox.
Warning: Older Firefox versions pose a significant security risk.

Firefox 100.0.2 32-bit (US English)
Firefox 100.0.2 64-bit (US English) Firefox 100.0.2 (US English) Firefox 100.0.2 32-bit (US English)
Firefox 100.0.2 64-bit (US English)

Firefox 101.0.1 32-bit (US English)
Firefox 101.0.1 64-bit (US English) Firefox 101.0.1 (US English) Firefox 101.0.1 32-bit (US English)
Firefox 101.0.1 64-bit (US English)

Firefox 102.0.1 32-bit (US English)
Firefox 102.0.1 64-bit (US English) Firefox 102.0.1 (US English) Firefox 102.0.1 32-bit (US English)
Firefox 102.0.1 64-bit (US English)

Firefox 103.0.2 32-bit (US English)
Firefox 103.0.2 64-bit (US English) Firefox 103.0.2 (US English) Firefox 103.0.2 32-bit (US English)
Firefox 103.0.2 64-bit (US English)

Firefox 104.0.2 32-bit (US English)
Firefox 104.0.2 64-bit (US English) Firefox 104.0.2 (US English) Firefox 104.0.2 32-bit (US English)
Firefox 104.0.2 64-bit (US English)

Firefox 105.0.3 32-bit (US English)
Firefox 105.0.3 64-bit (US English) Firefox 105.0.3 (US English) Firefox 105.0.3 32-bit (US English)
Firefox 105.0.3 64-bit (US English)

Firefox 106.0.5 32-bit (US English)
Firefox 106.0.5 64-bit (US English) Firefox 106.0.5 (US English) Firefox 106.0.5 32-bit (US English)
Firefox 106.0.5 64-bit (US English)

Firefox 107.0.1 32-bit (US English)
Firefox 107.0.1 64-bit (US English) Firefox 107.0.1 (US English) Firefox 107.0.1 32-bit (US English)
Firefox 107.0.1 64-bit (US English)

Firefox 108.0.2 32-bit (US English)
Firefox 108.0.2 64-bit (US English) Firefox 108.0.2 (US English) Firefox 108.0.2 32-bit (US English)
Firefox 108.0.2 64-bit (US English)

Firefox 109.0.1 32-bit (US English)
Firefox 109.0.1 64-bit (US English) Firefox 109.0.1 (US English) Firefox 109.0.1 32-bit (US English)
Firefox 109.0.1 64-bit (US English)

Firefox 110.0.1 32-bit (US English)
Firefox 110.0.1 64-bit (US English) Firefox 110.0.1 (US English) Firefox 110.0.1 32-bit (US English)
Firefox 110.0.1 64-bit (US English)

Firefox 111.0.1 32-bit (US English)
Firefox 111.0.1 64-bit (US English) Firefox 111.0.1 (US English) Firefox 111.0.1 32-bit (US English)
Firefox 111.0.1 64-bit (US English)

Firefox 112.0.2 32-bit (US English)
Firefox 112.0.2 64-bit (US English) Firefox 112.0.2 (US English) Firefox 112.0.2 32-bit (US English)
Firefox 112.0.2 64-bit (US English)

Firefox 113.0.2 32-bit (US English)
Firefox 113.0.2 64-bit (US English) Firefox 113.0.2 (US English) Firefox 113.0.2 32-bit (US English)
Firefox 113.0.2 64-bit (US English)

Firefox 114.0.2 32-bit (US English)
Firefox 114.0.2 64-bit (US English) Firefox 114.0.2 (US English) Firefox 114.0.2 32-bit (US English)
Firefox 114.0.2 64-bit (US English)

Firefox 115.0.3 32-bit (US English)
Firefox 115.0.3 64-bit (US English) Firefox 115.0.3 (US English) Firefox 115.0.3 32-bit (US English)
Firefox 115.0.3 64-bit (US English)

Firefox 116.0.3 32-bit (US English)
Firefox 116.0.3 64-bit (US English) Firefox 116.0.3 (US English) Firefox 116.0.3 32-bit (US English)
Firefox 116.0.3 64-bit (US English)

Firefox 117.0.1 32-bit (US English)
Firefox 117.0.1 64-bit (US English) Firefox 117.0.1 (US English) Firefox 117.0.1 32-bit (US English)
Firefox 117.0.1 64-bit (US English)

Firefox 118.0.2 32-bit (US English)
Firefox 118.0.2 64-bit (US English) Firefox 118.0.2 (US English) Firefox 118.0.2 32-bit (US English)
Firefox 118.0.2 64-bit (US English)

Firefox 119.0.1 32-bit (US English)
Firefox 119.0.1 64-bit (US English) Firefox 119.0.1 (US English) Firefox 119.0.1 32-bit (US English)
Firefox 119.0.1 64-bit (US English)

Directory of other versions and languages

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 Fx89menuButton and select Settings. In the General panel, go to the Firefox Updates section.

Alternatives to downgrading

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.

Help us make Firefox better

If the latest version of Firefox is giving you trouble, or you just don't like something, please give us feedback about it here:

Submit your feedback and suggestions about Firefox

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These fine people helped write this article:

AliceWyman, Chris Ilias, philipp, jscher2000 - Support Volunteer, Underpass, Thomas, Tonnes, Michele Rodaro, David (satdav), Roland Tanglao, Michael Verdi, scoobidiver, John99, hobophobe, Swarnava Sengupta, minozake, LouCypher, Joergen, ideato, Michal Stanke, Mozinet, user669794, Lan, Imen, Joni, Artist, Marcelo Ghelman, YD, Zppix, Yang Hanlin, gm455, Jeff, Mark Heijl, Ángela Navidad, DemanT, PGGWriter, natasha.moore, lilyaventurino, k_alex, Bithiah, SoulfulHaze, BD
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