Versions of Firefox

This page is a full index of the different versions of the Firefox browsers.

Starting April 13, 2015, versions will now only be listed if: they are an ESR, they are the last version to support an operating system or operating system version, or if they are the latest version.


 * Mozilla Phoenix 0.1
 * Mozilla Firebird 0.6
 * Mozilla Firefox 1.0
 * Mozilla Firefox 1.5
 * Mozilla Firefox 2
 * Mozilla Firefox 3
 * Mozilla Firefox 3.5
 * Mozilla Firefox 3.6
 * Firefox 4
 * Mozilla Firefox 5
 * Mozilla Firefox 6
 * Mozilla Firefox 7
 * Mozilla Firefox 8
 * Mozilla Firefox 9
 * Mozilla Firefox 10
 * Firefox 10 ESR
 * Mozilla Firefox 11
 * Mozilla Firefox 12
 * Mozilla Firefox 13
 * Mozilla Firefox 14
 * Mozilla Firefox 15 Beta
 * Mozilla Firefox 16 Aurora
 * Mozilla Firefox 17 Nightly
 * Firefox 17 ESR
 * Firefox 24 ESR
 * Firefox 37
 * Firefox 42