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Firefox Browser

Get the latest. Automatic privacy is here. Download Firefox Browser to block over 2,000 trackers.

Firefox Browser Beta

Test about-to-be released features in the most stable pre-release build.

Firefox Browser Developer Edition

Build, test, scale and more with the only browser built just for developers.

Firefox Developer Edition — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Developer Edition — English (US)

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice
Firefox Browser Nightly

Peek at our next generation web browser, and help us make it the best browser it can be.

Firefox Nightly — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Nightly — English (US)

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice

Need help installing?

If you still need help installing, read the tutorial in our Support section.