Requires GTK+ 3.14, X.Org 1.0, and glibc 2.17 or higher.
Firefox 80 introduced several quality-of-life changes designed to make the browsing experience smoother and more inclusive:
Mozilla implemented a new, faster add-on blocklist. This improved browser performance by reducing the time needed to parse the list of problematic or malicious extensions. download firefox 80
A Pentium 4 or newer processor supporting SSE2 and at least 512MB of RAM (1GB recommended). A Note on Security Get Firefox for desktop and mobile — Firefox.com Get Firefox for desktop and mobile — Firefox.com. Firefox FAQ
To support users with migraines or epilepsy, Firefox 80 honored system-level "reduced motion" settings by minimizing animations like tab loading icons. Technical Specifications & Requirements Requires GTK+ 3
If you already have an older version of Firefox installed, you can sometimes update to version 80 by going to Menu > Help > About Firefox . The browser will check for available updates, though it may skip directly to the latest stable release or the next Extended Support Release (ESR). Key Features and Improvements
You can find the direct installers for Windows (32-bit and 64-bit), macOS, and Linux in the Mozilla FTP directory . A Pentium 4 or newer processor supporting SSE2
For the first time, users could set Firefox as their system's default PDF viewer , allowing them to open PDF files from their local folders directly in the browser.