Firefox Download For Mac 10105 Upd ((full)) Now
You are downloading an older version of Firefox for an even older operating system. While Mozilla supported 78 ESR until November 2021, .
: While it can still browse many websites, some modern features or highly secure sites may encounter compatibility issues. Apple Support Community How to Download and Install
Use the official Mozilla archive at https://ftp.mozilla.org/pub/firefox/releases/ . Navigate to the specific version folder (e.g., 101.0.5/ ), then the mac/ directory to find the .dmg installer. firefox download for mac 10105 upd
Do not use browsers on outdated OS versions for sensitive financial transactions.
Last verified for compatibility: May 2026. Mozilla may remove older builds from archives, but the paths mentioned remain valid as of this writing. For commentary on legacy Mac browsers, check the r/firefox and r/macos subreddits. You are downloading an older version of Firefox
How to Download Firefox for Mac OS X 10.10.5 (Yosemite) If you’re still using a classic Mac running OS X 10.10.5 Yosemite
Recommend that might still work on older Firefox versions. Apple Support Community How to Download and Install
The last official Firefox release that officially supports macOS 10.9-10.11 is .