Firefox 78 Esr Download Mac Exclusive May 2026

Includes consolidated reports on tracking protection and data breaches.

Mozilla no longer prominently features version 78 on its main download page because it has reached . To get it safely, you must access Mozilla’s official archive: firefox 78 esr download mac

Firefox 78 ESR (Extended Support Release) is primarily sought by users of "legacy" Apple operating systems. It is the last official version of Firefox compatible with: Mac OS X 10.10 Yosemite Mac OS X 10.11 El Capitan It is the last official version of Firefox

Despite its age, Firefox 78 ESR introduced several modernization features that were significant for older hardware: firefox 78 esr download mac

Download the .dmg file, open it, and drag the Firefox icon into your Applications folder. Important: Security Considerations

Useful for dedicated workstations or public terminals.

The most secure way to download is directly from the Mozilla Release Archive .