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If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.
Softonic review Download Lion for Mac. OS X Lion 10.7 has now been superseded by OS X 10.8 Mountain Lion. Lion, coming just 18 months after the release of Snow Leopard OS X 10.6, was the first OS X to bring the Mac closer to the iPhone's and iPad's iOS operating system, making full use of Trackpads and gestures to use your Mac. STEP 1: Download OS X El Capitan The full operating system is a free download for anyone who has purchased Mac OS X Snow Leopard, Lion, or Mountain Lion or has a Mac preloaded with OS X Mavericks or Yosemite. Download the Application from the Mac App Store using your Apple ID on any Mac or functional computer running Mac OS X 10.6.8 or later. If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.
Upgrade Mac Os X 10.6 8 To El Capitan Download
Upgrade Mac Os X 10.6 8 To El Capitan Mac
Catalina for macbook pro. 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.