Jun 4, 2023 · Learn how to find out what Firefox version you are using, to help troubleshoot a problem or just to know if Firefox is up to date.

Release notes for each version of Firefox.

2 days ago · Version information for Firefox, including the various platforms or hardware it runs on and when the latest version was released.

Jun 27, 2025 · This comprehensive guide aims to serve as a one-stop resource for all your needs regarding finding your Firefox browser version. Keep the steps handy and refer back whenever …

Apr 14, 2025 · Select About Firefox. Select this from the list that appears when you select Help. This will automatically start a download of the latest Firefox version. To prevent this, put your device in …

Oct 14, 2025 · 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 Creative …

Firefox was created by Dave Hyatt and Blake Ross as an experimental branch of the Mozilla Application Suite, first released as Firefox 1.0 on November 9, 2004. Starting with version 5.0, a rapid release …

Aug 12, 2024 · Learn how to find out which version of Mozilla Firefox browser you are using on your PC. Check your current one to ensure that you are on the latest version.

Sep 26, 2024 · Wondering what version of Firefox you're running? This page will tell you if you're running Firefox and what version it is.

Sep 16, 2025 · Version 115.28.0, first offered to ESR channel users on September 16, 2025 Firefox ESR 115 is now supported only on Windows 7-8.1 and macOS 10.12-10.14. Users on other …