As of November 9, 2023, the latest version of macOS is Sonoma, also known as macOS 14.1.1. It was released on September 26, 2023, and the first major update to Sonoma came on October 25, 2023. The following is a list of the latest versions of macOS:
- macOS Sonoma: 14.1.1
- macOS Ventura: 13.6.2
- macOS Monterey: 12.7.1
- 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
To check which macOS version is installed on your Mac, click on the Apple menu in the upper-left corner of your screen and choose "About This Mac".