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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Usually takes 2–3 minutes

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.