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!

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 …

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Choose the browser that prioritizes you, not their bottom line. Don't settle for the default browser. When you choose Firefox, you protect your data while supporting the non-profit Mozilla …

Mar 5, 2014 · Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation. Portions of this content are ©1998–2025 by individual mozilla.org contributors. Content available under a …

Whether you want to browse privately, switch to a secure search engine, or just need a reliable and lightweight browser that works smoothly across your devices, Firefox gives you speed,...

Get Firefox for Windows, Mac or Linux. Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.

Mozilla Firefox® is a fast, full-featured web browser that's easy to use. It has lots of great features including popup-blocking, tabbed-browsing, integrated search, improved privacy features, …

Dec 15, 2025 · Browse the web with Mozilla Firefox—a privacy-focused, customizable browser that helps you stay fast, organized, and protected online. With built-in tracker blocking and …

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