Download Google Chrome dev for Mac to open up enhanced opportunities for productive, lightning-fast, synced, and personalized browsing experience. Google Chrome dev has had 29 updates within the. Note: While the current latest version of Google Chrome (50.0.2661.94) is running fine for me under OS X Mountain Lion 10.8.5, this does't mean that future versions will run without issue on OS X Mountain Lion 10.8.5, and therefore this method will become worthless.
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If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.
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.
Safari for Mac
Safari is included with your Mac operating system.
Updating Safari
To keep Safari up to date for the version of macOS you're using, install the latest macOS updates.
The most recent version of macOS includes the most recent version of Safari. For some earlier versions of macOS, Safari might also be available separately from the Updates tab of the App Store.
Reinstalling Safari
If you deleted Safari and don't have a Time Machine backup or other backup, reinstall macOS to put Safari back in your Applications folder. Reinstalling macOS doesn't remove data from your computer.
Before reinstalling, you might want to use Spotlight to search for Safari on your Mac. If you find it, but it's no longer in your Dock, just drag it to the Dock to add it back.
Safari for Windows
Download Google Chrome For Mac Os X 10.9.5
Apple no longer offers Safari updates for Windows. Safari 5.1.7 for Windows was the last version made for Windows, and it is now outdated.