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 …

Mozilla Firefox is a fast, secure, and customizable web browser for seamless browsing experience.

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 …

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

Dec 18, 2025 · Firefox works well on both desktops and mobile devices. You can download it for free on Windows, macOS, and Linux computers. It is also available on Android and iOS …

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,...