Find out which macOS your Mac is using
Use About This Mac to find out which Mac operating system (macOS) is installed on your Mac, and learn whether it's the latest (newest, most recent) version.
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.
Which versions of macOS are the latest?
These are the latest versions of each Mac operating system, starting with the most recent.
macOS | Latest version |
|---|---|
macOS Sequoia | 15.4.1 |
macOS Sonoma | 14.7.5 |
macOS Ventura | 13.7.5 |
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 |
How to install macOS
If your Mac is compatible with the macOS that you want to install, you can install it:
Find out whether your Mac is compatible with the latest versions of macOS:
