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If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.
Firefox For Mac Os X 10.8 Download
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 For Mac 10.6.8
Firefox For Mac Os 10.8.5
Jul 24, 2019 Download the latest versions of the best Mac apps at safe and trusted MacUpdate. Fast, safe Web browser. The final update for OS X 10.8. Firefox Legacy: https://parrotgeek.com/fxlegacy.html#::text=Firefox%20Legacy%20is%20an%20unofficial,life%20into%20your%20old%20Mac. Chrome is available for Snow Leopard (OS X 10.6), Lion (OS X 10.7), Mountain Lion (OS X 10.8) and other latest versions. It provides easy customization services and also allows you to start from the place where you left browsing previously. Chrome is not only available for Mac, it is also supported by Windows and Linux platforms. Firefox for Mac.