1. Os X Mountain Lion Update
2. Os X Mountain Lion Update V10.8.5
3. Os X Mountain Lion Update V10.8.2

Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by some product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.

If your macOS isn't up to date, you may be able to update to a later version.

Which macOS version is installed?

Important Note: OS X 10.7 Lion has been replaced by OS X 10.8 Mountain Lion. The 10.7.4 update is recommended for all OS X Lion users and includes general operating system fixes that improve the stability, compatibility, and security of your Mac. Since releasing the final update to OS X Lion, Apple has released a number of major updates to their operating system. Lion was followed by the release of version 10.8, named Mountain Lion. Apple is now on version 10.13, called High Sierra, and now referes to their operating system as macOS instead of OS X.

Os X Mountain Lion Update

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.

Which macOS version is the latest?

These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

Os X Mountain Lion Update V10.8.5

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.

Os X Mountain Lion Update V10.8.2