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!

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!

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

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 …

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 …

We’re getting things readyLoading your experience… This won’t take long.

Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.

Nov 24, 2025 · Firefox is also notable for its wealth of available extensions. The unique Multi-Account Containers extension, for instance, lets you sequester multiple logins to the same site on different tabs.

Oct 7, 2025 · This article explains how to install Firefox on Windows, either with a simple online installer from Mozilla or from the Microsoft Store. If you need a full, offline installer with custom options, see …

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.