Nov 24, 2025 · Apple used “Mac OS X” until 2011, then “OS X” until 2016, and finally adopted “macOS” starting with macOS 10.12 Sierra, aligning it with iOS, tvOS, and watchOS naming conventions.

The history of macOS, Apple 's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its classic Mac OS.

Nov 9, 2024 · Understanding the progression and key features of Mac operating systems offers valuable insights into how the platform has influenced personal computing. It also highlights how Apple has …

Sep 28, 2025 · Here's the complete list of all macOS versions released from 2001 to 2025. From macOS Cheetah to macOS Tahoe, find yours here.

Curious about the versions of Mac OS X that came before? Here we’ll fill you in on the names of the different versions of the Mac operating system in order: from the newest macOS to the...

Aug 17, 2025 · Including the initial public beta, Apple has released 22 major versions of the Mac operating system so far, with new launches now becoming an annual occurrence and kicking into …

Jul 28, 2025 · If you’re wondering what the latest version of macOS is, what came before it, or when the next update is due, this guide has everything you need. We’ve listed every major macOS and Mac …