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

Seriously private browsing. Firefox automatically blocks 2000+ online trackers from collecting information about what you do online. Download for Desktop. Learn more

To install Firefox on your computer: Visit this Firefox download page in any browser, such as Microsoft Edge. Click the Download Now button. The Firefox Installer that downloads will automatically offer you the best available version of Firefox for your computer.

2021年9月29日 · Learn how to download and install Firefox on Windows with step-by-step instructions from Mozilla Support.

Join the hundreds of millions of people who choose to protect what's important by using Firefox, a web browser designed to be fast, private and safe. FAST. PRIVATE. SAFE. Firefox browser gives you lightning-fast page loads and effortless privacy protection.

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. The pre-alpha version for power users who like to hunt crashes and test new features as they’re coded.