Download For Mac 10105 Upd: Firefox !!better!!

: Using Firefox 78 ESR means no new features, and security updates ended in 2021. For better security, consider updating macOS (if your Mac supports it) or switching to a lightweight browser like Pale Moon or Arctic Fox (community-maintained for older macOS).

If your underlying hardware structure supports a cleaner upgrade path, staying on Yosemite 10.10.5 is heavily discouraged due to open network exploits.

Mozilla no longer prominently links the 78 ESR on its main site. However, they maintain an official archive. Go to: https://ftp.mozilla.org/pub/firefox/releases/78.15.0esr/mac/en-US/ firefox download for mac 10105 upd

Apple officially launched OS X 10.10.5 Yosemite in August 2015. Because internet standards and security protocols change rapidly, modern applications no longer natively support this operating system. Mac OS X 10.10.5 Yosemite Latest Supported Firefox Version Firefox 78.15.0esr Official Mozilla Support Status End of Life (Support ended October 2021) Next Compatible Update Path Upgrade OS to 10.11 or 10.15 How to Download and Install Firefox 78.15.0esr

Newer versions of Firefox (released after version 79.0) require macOS 10.12 Sierra or higher, meaning modern updates will not install on a Mac running Yosemite 10.10.5. : Using Firefox 78 ESR means no new

Important note

Using an older browser version comes with distinct functional limitations. Use these strategies to maximize performance: Managing Security Certificates Mozilla no longer prominently links the 78 ESR

✅ (optional but recommended):

While Firefox 78 ESR remains more capable than the stock OS X Yosemite Safari browser (which struggles to load modern HTTPS secure certificates), it still presents limitations:

[Firefox 78.15.0esr DMG] ──► [Drag to Applications] ──► [Disable Auto-Updates] 1. Download the Installer