Update your Firefox browser

Older versions of Firefox may start to have problems on January 14, 2025. A root certificate will expire, causing some preferences and other features to stop working. Update to get the best possible browsing experience. Read more about this change

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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

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Lightning fast

Trackers make things load slowly, so we block as many as we can.
Automatic privacy

Tracking and cookie protections are on by default.
Make it yours

Endless add-ons and customizations let you set things up just how you like.

Update your Firefox browser

Lightning fast

Automatic privacy

Make it yours