Find out which macOS your Mac is using
Learn which Mac operating system (macOS) is installed on your Mac, and whether it's the latest (newest, most recent) version. If a product or feature requires a later version of macOS, check macOS compatibility to find out whether you can upgrade to that 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 differ from this example, but it always includes the name and version number of the macOS that your Mac is currently using. If you need the build number as well, click the version number to see it.
Which macOS is the latest?
These are the latest versions of each Mac operating system, starting with the most recent.
Mac operating system | Latest version |
|---|---|
macOS Tahoe 26 | 26.5.2 |
macOS Sequoia 15 | 15.7.7 |
macOS Sonoma 14 | 14.8.7 |
macOS Ventura 13 | 13.7.8 |
macOS Monterey 12 | 12.7.6 |
macOS Big Sur 11 | 11.7.11 |
macOS Catalina 10.15 | 10.15.8 |
macOS Mojave 10.14 | 10.14.6 |
macOS High Sierra 10.13 | 10.13.6 |
macOS Sierra 10.12 | 10.12.6 |
OS X El Capitan 10.11 | 10.11.6 |
OS X Yosemite 10.10 | 10.10.5 |
OS X Mavericks 10.9 | 10.9.5 |
OS X Mountain Lion 10.8 | 10.8.5 |
OS X Lion 10.7 | 10.7.5 |
Mac OS X Snow Leopard 10.6 | 10.6.8 |
Mac OS X Leopard 10.5 | 10.5.8 |
Mac OS X Tiger 10.4 | 10.4.11 |
Mac OS X Panther 10.3 | 10.3.9 |
Mac OS X Jaguar 10.2 | 10.2.8 |
Mac OS X Puma 10.1 | 10.1.5 |
Mac OS X Cheetah 10 | 10.0.4 |
Check macOS compatibility
Find out which computers are compatible with the most recent versions of macOS:
Upgrade to a later macOS
If a later version of macOS is compatible with your Mac, you can can use Software Update or other methods to download and install it: