Find out which macOS your Mac is using - Apple Support (original) (raw)

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.

Find out which macOS is installed

Find out which macOS versions are the latest

Find out whether you can upgrade macOS

Find out which macOS is installed

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

About This Mac window

Find out 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.

macOS Latest version
macOS Sequoia 15.2
macOS Sonoma 14.7.2
macOS Ventura 13.7.2
macOS Monterey 12.7.6
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

Find out whether you can upgrade macOS

If a later version is compatible with your Mac, you can download and install macOS to update or upgrade to that version. Find out whether your Mac is compatible with the latest macOS versions:

Published Date: December 11, 2024