Download Firefox 12-51 52 Esr !new! Jun 2026

When you , you are downloading software that is no longer maintained by Mozilla. This means:

While officially unsupported since the release of Firefox 60.2.0 in 2018, it remains a common target for users needing to run legacy web applications. Hardware/OS Requirements: Windows 7/8.1/10: Download Firefox 12-51 52 Esr

Open your modern browser and navigate to the official Mozilla archive: https://archive.mozilla.org/pub/firefox/releases/ When you , you are downloading software that

: Ensure you select the correct platform (e.g., Windows 32-bit vs. 64-bit) from the Mozilla FTP directory . Download Firefox 12-51 52 Esr