

While you can download older builds manually going back to the first Firefox, they won't have the latest security updates.Īside from the security updates included, you'll most likely not even notice that Mozilla Firefox ESR is a few builds behind. Download a fresh copy Switch to Firefox Extended Support Release (ESR) for personal use Firefox Extended Support Release (ESR)is an official version of Firefox developed for large organizations like universities and businesses that need to set up and maintain Firefox on a large scale. It's for anyone who needs to use a previous build of Firefox safely.

In other words, Mozilla Firefox ESR is designed to be three versions behind the current official release but with the latest security updates. Most of our users download and install our apps through the Platforms built-in app store and then keep them updated using the platforms built in updater. Mozilla Firefox ESR, Portable Edition 78.6.0: : 1. Mozilla Firefox ESR (Extended Support Release) is a long term support build of Firefox updated roughly every 42 weeks for major changes and every 4 weeks for minor changes. Mozilla Firefox ESR, Portable Edition 78.6.0 Rev 2: : 0.
