Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Download Firefox ESR 64-bit

Download Firefox ESR 32-bit

Download a different build

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Download Firefox ESR
Firefox Privacy Notice
Get Mozilla VPN

Firefox Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

50.0.2
Firefox Release

November 30, 2016

Version 50.0.2, first offered to Release channel users on November 30, 2016

We'd also like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!

Fixed

Unresolved

  • Due to an Apple touch bar bug, Firefox on recent MacBook Pro may crash when open for long periods or crash after resuming from sleep. Apple reports to have a fix for this in the currently unreleased OS X 10.12.3

Get the most recent version

All Firefox downloads