Firefox fights for you on Windows.

Download Firefox — English (US)

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

Download Firefox — 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

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2x Faster

Firefox moves fast and treats your data with care - no ad tracking and no slowdown.
Common sense privacy

Live your life, Firefox isn’t watching. Choose what to share and when to share it.
Seamless setup

Easy migration of preferences and bookmarks when you download Firefox for Windows.