Starting with Firefox version 49, Firefox requires Mac OS X 10.9 (Mavericks) or higher. Visit this Apple Support page to find your Mac OS version.
If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version that Apple supports. Visit this Apple Support page to learn more about upgrading your Mac.
Note: If you have Mac OS X 10.7 (Lion) or 10.6 (Snow Leopard), you will need to download OS X El Capitan before you can upgrade to the latest Mac OS.
Mozilla Firefox Updates 2016 For Mac
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Mar 23, 2020 If you want to update Firefox on a Mac, open the browser. Click “Firefox” in the menu bar at the top of the screen, and then select “About Firefox.” A window will appear with information about the current version of Firefox you’re Mac is running. If the browser is up to date, you’ll see “Firefox Is Up to Date” in this window.
Mozilla Firefox for Mac is a versatile and feature-packed browser with advanced security features that can hide shared user activity and has customizable privacy settings that protect your system from unwanted tracking and harmful software. Mozilla Firefox is perfect for casual searches as well as more complex queries. Sep 11, 2020 Firefox developer Mozilla also owns Pocket, a service that lets you save websites for later reading, even offline. Its tight integration with Firefox may be a boon if you already love the service.
Mozilla Firefox Older Version For Mac
While insecure versions of Firefox will continue to work on OS X 10.8 and earlier, using an up-to-date version of Firefox on a supported version of Mac OS will provide you with the best and safest user experience.