While standard versions of Firefox (v116 and later) require Windows 10 or newer, the 115 ESR channel has a special extended lifecycle: Firefox support for Windows 7, 8 and 8.1
If you visit the Firefox download site on a Windows 7 machine, the installer should automatically detect your OS and offer the correct 32-bit ESR version. Important Support Timeline firefox download for windows 7 32 bit
If you are looking for a , you must use Firefox Extended Support Release (ESR) version 115 . This is the final version of the browser compatible with legacy Windows operating systems, as Mozilla has officially ended support for newer main-channel releases on these platforms. Official Download Options While standard versions of Firefox (v116 and later)
To ensure security and stability, always download directly from the official Mozilla Firefox download page. Official Download Options To ensure security and stability,
Specifically designed to provide critical security updates for older systems like Windows 7 and Windows 8.1.