Find out which macOS your Mac is using

Use About This Mac to see the version of Mac operating system installed on your Mac, and find out whether it's the latest version.

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?



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.

About This Mac window


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.

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.

macOS Latest version
macOS Big Sur 11.2.1
macOS Catalina 10.15.7
macOS Mojave 10.14.6
macOS High Sierra 10.13.6
macOS Sierra 10.12.6
OS X El Capitan 10.11.6
OS X Yosemite 10.10.5
OS X Mavericks 10.9.5
OS X Mountain Lion 10.8.5
OS X Lion 10.7.5
Mac OS X Snow Leopard 10.6.8
Mac OS X Leopard 10.5.8
Mac OS X Tiger 10.4.11
Mac OS X Panther 10.3.9
Mac OS X Jaguar 10.2.8
Mac OS X Puma 10.1.5
Mac OS X Cheetah 10.0.4


  • Apple AirPods Pro with MagSafe Charging Case (2021)

    Regular price $299.99
    Regular price $329.99 Sale price $299.99

    or 4 interest-free payments of $74.99.
    Apple AirPods Pro with MagSafe Charging Case (2021)
    Sale
  • Apple AirPods Max

    Regular price From $599.99
    Regular price $779.99 Sale price From $599.99

    or 4 interest-free payments of $149.99.
    Apple AirPods Max
    Sale
  • Beats Flex – All-Day Wireless Earphones

    Regular price $69.99
    Regular price $89.99 Sale price $69.99

    or 4 interest-free payments of $17.49.
    Beats Flex – All-Day Wireless Earphones
    Sale
  • Urbanears Sumpan

    Regular price $19.99
    Regular price $44.99 Sale price $19.99
    Urbanears Sumpan
    Sale