Starting with Firefox version 49, Firefox requires Mac OS X 10.9 (Mavericks) or higher. Mac os x sierra. Visit this Apple Support page to find your Mac OS version. Mac alex on snow leopard.
If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.
Firefox For Mac Os 10.5
- Information in this article applies to Mac OS X Mountain Lion and Firefox 21. It may vary slightly or significantly with other versions or products.
- Download Mac OS X Lion Persona for Firefox.
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.
Firefox Download For Mac
Download Mac OS X Lion Persona for Firefox. Firefox Browser Add-ons. Extension Workshop Developer Hub Download Firefox Register or Log in. If you need a rollback of Firefox, check out the app's version history on Uptodown. Displaylink driver mac. 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.