Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!

Firefox was created in 2004 by Mozilla as a faster, more private, and customizable alternative to browsers like Internet Explorer. Today, we are still not-for-profit, still not owned by any billionaires …

Firefox 57, which was released in November 2017, was the first version to contain enhancements from Quantum, and has thus been named Firefox Quantum. A Mozilla executive stated that Quantum was …

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

Download Mozilla Firefox for Windows, a free web browser. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Get Firefox for Windows today!

Sep 22, 2025 · How to install Firefox on Windows This article describes how to download and install Firefox on Windows.

Download the browser that puts your privacy first — get Firefox for Windows, macOS, or Linux on desktop.

Get a sneak peek at the latest Firefox browser features before they’re released. Test your sites against soon-to-be-released Firefox browser features with powerful, flexible DevTools that are on by default.

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Products Firefox is just the beginning. Mozilla’s family of products are all designed to keep you safer and smarter online.