Find out which macOS your Mac is using

Use About This Mac to check the version of Mac operating system (macOS) installed on your Mac. Then find out whether it's the latest (newest, most recent) version.

Which macOS is installed?

Which macOS versions are the latest?

Which computers can use the latest macOS versions?

Which macOS is installed?

From the Apple menu  in the upper-left corner of your screen, choose About This Mac. The window that opens may look different from the example shown here, but it always includes the macOS name followed by its version number. If you need to know the build number as well, click the version number to see it.

This example shows About This Mac on a Mac mini with macOS Sonoma 14.0:

About This Mac window

Which macOS versions are the latest?

As updates that change a macOS version number become available, this table is updated to show the latest version of that macOS. If a later version is compatible with your Mac, you can get it by updating macOS on your Mac.

Find out how to update macOS on your Mac

macOS

Latest version

macOS Sonoma

14.3.1

macOS Ventura

13.6.4

macOS Monterey

12.7.3

macOS Big Sur

11.7.10

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

Which computers can use the latest macOS versions?

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