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If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.
Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today! Download Firefox for Mac - Secure and fast web browser that comes with all the necessary tools and features to fulfill all your Internet browsing needs, improve your overall browsing experience and replace Safari on 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.
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.
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A multi-platform web browser with open source code
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Older versions
It's not uncommon for the latest version of an app to cause problems when installed on older smartphones. Sometimes newer versions of apps may not work with your device due to system incompatibilities. Until the app developer has fixed the problem, try using an older version of the app. If you need a rollback of Firefox, check out the app's version history on Uptodown. It includes all the file versions available to download off Uptodown for that app. Download rollbacks of Firefox for Mac. Any version of Firefox distributed on Uptodown is completely virus-free and free to download at no cost.Firefox For Macbook Pro
82.0.3 Nov 10th, 2020
78.0.2 Jul 22nd, 2020
77.0.1 Jun 24th, 2020
77.0 Jun 3rd, 2020
72.0.1 Jan 16th, 2020
72.0.1 Jan 16th, 2020
72.0.1 Jan 16th, 2020
72.0.1 Jan 16th, 2020
72.0.1 Jan 16th, 2020
72.0.1 Jan 16th, 2020