: Click on the installer named Firefox 78.15.0esr.dmg to start downloading the setup package to your Mac. Installation Instructions for OS X Yosemite
Sites like MacUpdate and Uptodown also maintain historical versions of the Firefox .dmg files. How to Install
The latest Firefox versions require . Your Mac will also need an Intel x86 or Apple Silicon processor and at least 512 MB of RAM. firefox download for mac 10105 upd
A: Yes. Firefox is fully optimized for both Intel-based Macs and Apple silicon (M1, M2, M3, and later) Macs running macOS 10.15 or newer. The browser automatically detects your processor type and delivers the appropriate version.
(streaming, banking, basic browsing) If you've tried Firefox Dynasty before How to update outdated browser on OS X Yosemite : Click on the installer named Firefox 78
While Firefox 78 ESR will successfully run on OS X 10.10.5, you must understand the limitations of operating legacy software:
Mac OS X 10.10.5 (Yosemite) is an older Apple operating system. Finding software that still works on it can be challenging. Many modern web browsers no longer support this version, leaving users vulnerable to security risks and broken websites. Your Mac will also need an Intel x86
On this page, you can manually select your preferred language and operating system version. This is particularly useful if you are setting up Firefox on multiple machines or need a non-default language package.
Below is a comprehensive guide to understanding your options, downloading the working setup files safely, installing the application, and securing your outdated operating system. The Reality of Modern Web Browsing on OS X 10.10.5
If you are stuck on OS X 10.10.5, you need to be aware of the risks: