The latest macOS version is Monterey — here's how to check if you have it and how to upgrade

You can see if you're running the latest macOS version by clicking the Apple logo in the top-left corner, then selecting ...

How to update your Mac to Ventura for the latest features and bug fixes

You can update your Mac by opening the System Preferences app, where you'll find the "Software Update" option.
Macworld

macOS 26 Tahoe: Complete guide to the new Mac update

Like its counterparts on the other Apple devices, macOS now has a brand new look along with a new name. Because Apple is aligning the names of all the operating systems this year, the new version of ...
9to5Mac

macOS Sequoia 15.5 available now, here’s what’s new

Apple just launched a new wave of software updates, including iOS 18.5, watchOS 11.5, and more. macOS Sequoia 15.5 is the latest update available for Mac users. New features across this x.5 software ...
Ars Technica

iOS 26, iPadOS 26, macOS 26 Tahoe, and Apple’s other OS updates launch September 15

CUPERTINO, Calif.—If you’re buying one of the new iPhones or the other hardware that Apple announced today, your new devices will ship with Apple’s latest operating system updates already installed.

Apple Releasing iOS 26, iPadOS 26, watchOS 26, and macOS 26 Soon

Apple aligns OS version numbers across iOS, iPadOS, macOS, watchOS, tvOS, and visionOS 26, bringing unified updates, Apple Intelligence, and new features.