Update Mac Os Mountain Lion To El Capitan

 

  • MacOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion. Safari will download the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the.pkg installer inside the disk image. It will install an app named Install Version Name.
  • Use About This Mac to check the version of Mac operating system installed, and find out whether it's the latest (newest, most recent) version. Which macOS version is installed? From the Apple menu in the corner of your screen, choose About This Mac.
Update mac os mountain lion to el capitan

Mar 14, 2016 OS X Version: Mountain Lion (10.8), most models. Mavericks (10.9) or higher — all models. How to check it: Click the Apple icon at the top left of your screen. Select 'About This Mac.' The number underneath 'OS X' is your version number. If you're running a version of OS X older than 10.8, look into upgrading your OS X.

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If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.

Update Mac Os Mountain Lion To El Capitan Software

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.
Capitan

Mac Os Yosemite

Update Mac Os Mountain Lion To El Capitan

Mac Os El Capitan 10.13

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.