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Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release
Firefox version 115 ESR will be the last supported release for macOS 10.12, 10.13 and 10.14
Profile Manager - Create, remove or switch Firefox profiles
Firefox stores your personal information and settings in a profile folder. Learn to work with different profiles on Firefox.
How do I set up Sync on my computer?
Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.
How to download and install Firefox on Mac
This article explains how to download and install Firefox on a Mac.
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