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 …

Sep 25, 2025 · Learn how Firefox will continue supporting Windows 10 after Microsoft ends its updates, and discover the steps Mozilla recommends to keep your browsing experience secure.

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!

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

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.

Firefox is the fast, lightweight, privacy-focused browser that works across all your devices.

Firefox is available for Windows 10 or later versions of Windows, macOS, and Linux. Its unofficial ports are available for various Unix and Unix-like operating systems, including FreeBSD, [14] OpenBSD, …

Users on 64-bit Windows who download Firefox can get our 64-bit version by default. That means you get a more secure version of Firefox.