This is the most stable "end-of-life" version for Lion.
While Apple’s Safari on Lion is largely obsolete for today’s encrypted web, remains one of the most popular alternatives for older hardware. This guide covers how to find the correct version of Firefox for your system and what your best options are for staying online. The Compatibility Challenge mac os x 10.7 5 firefox download
While Firefox 45.9.0esr will run, it is over seven years old and will struggle to load many modern websites (like YouTube, Gmail, or banking sites) due to outdated security certificates. For a better experience on OS X 10.7.5, consider these community-maintained alternatives: 1. Intersect / Pale Moon This is the most stable "end-of-life" version for Lion
Click the link ending in .dmg to start the download. mac os x 10.7 5 firefox download