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!

Faster page loading, less memory usage and packed with features, the new Firefox is here.

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.

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

Stay updated with the latest tweets and updates from Firefox.

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.

Sep 25, 2025 · Installation and updates Learn how to install your favorite Mozilla products and keep them updated. Update Firefox to the latest release Firefox automatically updates itself by default, but …