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Downgrading usually doesn't solve Firefox problems. This article gives you links to old versions of Firefox and some alternatives to downgrading.

Often when there is a problem with a Firefox update, people look for a way to go back to the previous version. That usually doesn't solve the problem and will make your computer and information vulnerable to attack. This article gives you some alternatives to downgrading and links to old versions of Firefox if you do choose to downgrade. = Installing a previous version doesn't fix most problems= Problems with an update are generally not caused by the new version of Firefox, but rather the update process. Installing a previous version will not help in most cases. Instead, see: [[Template:UpdateProblems]] {note}'''Note:''' Other problems can be solved with [[Reset Firefox – easily fix most problems|the Reset Firefox feature]]. It restores Firefox to its factory default state while saving your essential information.{/note} = I still want to downgrade — where can I get the previous version? = Although Mozilla has a [https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ website] with old versions of Firefox for testing purposes, it is not recommended that you use anything but the latest version. {warning}'''Warning:''' Using old versions of Firefox poses a significant security risk.{/warning} {for =fx17} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/16.0.2/win32/en-US/Firefox%20Setup%2016.0.2.exe Firefox 16] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/16.0.2/mac/en-US/Firefox%2016.0.2.dmg Firefox 16] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/16.0.2/linux-i686/en-US/firefox-16.0.2.tar.bz2 Firefox 16] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx18} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/17.0.1/win32/en-US/Firefox%20Setup%2017.0.1.exe Firefox 17] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/17.0.1/mac/en-US/Firefox%2017.0.1.dmg Firefox 17] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/17.0.1/linux-i686/en-US/firefox-17.0.1.tar.bz2 Firefox 17] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx19} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/18.0.2/win32/en-US/Firefox%20Setup%2018.0.2.exe Firefox 18] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/18.0.2/mac/en-US/Firefox%2018.0.2.dmg Firefox 18] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/18.0.2/linux-i686/en-US/firefox-18.0.2.tar.bz2 Firefox 18] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx20} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/19.0.2/win32/en-US/Firefox%20Setup%2019.0.2.exe Firefox 19] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/19.0.2/mac/en-US/Firefox%2019.0.2.dmg Firefox 19] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/19.0.2/linux-i686/en-US/firefox-19.0.2.tar.bz2 Firefox 19] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx21} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/20.0.1/win32/en-US/Firefox%20Setup%2020.0.1.exe Firefox 20] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/20.0.1/mac/en-US/Firefox%2020.0.1.dmg Firefox 20] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/20.0.1/linux-i686/en-US/firefox-20.0.1.tar.bz2 Firefox 20] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx22} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/21.0/win32/en-US/Firefox%20Setup%2021.0.exe Firefox 21] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/21.0/mac/en-US/Firefox%2021.0.dmg Firefox 21] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/21.0/linux-i686/en-US/firefox-21.0.tar.bz2 Firefox 21] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx23} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/22.0/win32/en-US/Firefox%20Setup%2022.0.exe Firefox 22] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/22.0/mac/en-US/Firefox%2022.0.dmg Firefox 22] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/22.0/linux-i686/en-US/firefox-22.0.tar.bz2 Firefox 22] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx24} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/23.0.1/win32/en-US/Firefox%20Setup%2023.0.1.exe Firefox 23.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/23.0.1/mac/en-US/Firefox%2023.0.1.dmg Firefox 23.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/23.0.1/linux-i686/en-US/firefox-23.0.1.tar.bz2 Firefox 23.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx25} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/24.0/win32/en-US/Firefox%20Setup%2024.0.exe Firefox 24.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/24.0/mac/en-US/Firefox%2024.0.dmg Firefox 24.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/24.0/linux-i686/en-US/firefox-24.0.tar.bz2 Firefox 24.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx26} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/25.0.1/win32/en-US/Firefox%20Setup%2025.0.1.exe Firefox 25.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/25.0.1/mac/en-US/Firefox%2025.0.1.dmg Firefox 25.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/25.0.1/linux-i686/en-US/firefox-25.0.1.tar.bz2 Firefox 25.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx27} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/26.0/win32/en-US/Firefox%20Setup%2026.0.exe Firefox 26.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/26.0/mac/en-US/Firefox%2026.0.dmg Firefox 26.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/26.0/linux-i686/en-US/firefox-26.0.tar.bz2 Firefox 26.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx28} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/27.0.1/win32/en-US/Firefox%20Setup%2027.0.1.exe Firefox 27.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/27.0.1/mac/en-US/Firefox%2027.0.1.dmg Firefox 27.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/27.0.1/linux-i686/en-US/firefox-27.0.1.tar.bz2 Firefox 27.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx29} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/28.0/win32/en-US/Firefox%20Setup%2028.0.exe Firefox 28.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/28.0/mac/en-US/Firefox%2028.0.dmg Firefox 28.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/28.0/linux-i686/en-US/firefox-28.0.tar.bz2 Firefox 28.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx30} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/29.0.1/win32/en-US/Firefox%20Setup%2029.0.1.exe Firefox 29.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/29.0.1/mac/en-US/Firefox%2029.0.1.dmg Firefox 29.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/29.0.1/linux-i686/en-US/firefox-29.0.1.tar.bz2 Firefox 29.0.1] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx31} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/30.0/win32/en-US/Firefox%20Setup%2030.0.exe Firefox 30.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/30.0/mac/en-US/Firefox%2030.0.dmg Firefox 30.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/30.0/linux-i686/en-US/firefox-30.0.tar.bz2 Firefox 30.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx32} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/31.0/win32/en-US/Firefox%20Setup%2031.0.exe Firefox 31.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/31.0/mac/en-US/Firefox%2031.0.dmg Firefox 31.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/31.0/linux-i686/en-US/firefox-31.0.tar.bz2 Firefox 31.0] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} {for =fx33} {for win} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/32.0.3/win32/en-US/Firefox%20Setup%2032.0.3.exe Firefox 32.0.3] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for mac} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/32.0.3/mac/en-US/Firefox%2032.0.3.dmg Firefox 32.0.3] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {for linux} *[https://download-installer.cdn.mozilla.net/pub/firefox/releases/32.0.3/linux-i686/en-US/firefox-32.0.3.tar.bz2 Firefox 32.0.3] (US English) *[https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/ Directory of other versions and languages] {/for} {/for} If you can't use the latest version of Firefox, we recommend that you use the latest version of another browser: {for win} *[http://windows.microsoft.com/en-us/internet-explorer/download-ie Internet Explorer] *[https://www.google.com/chrome Google Chrome] *[http://www.opera.com/ Opera] *[http://www.apple.com/safari/ Safari] {/for} {for mac} *[http://www.apple.com/safari/ Safari] *[https://www.google.com/chrome Google Chrome] *[http://www.opera.com/ Opera] {/for} {for linux} *[https://www.google.com/chrome Google Chrome] *[http://www.opera.com/ Opera] {/for} =Help us make Firefox better= If the [http://www.mozilla.org/firefox/all.html latest version of Firefox] is causing problems for you or you just don't like something about it, please give us feedback about it here: *{button [http://input.mozilla.org/feedback/ Submit your feedback and suggestions about Firefox]}