Nov 24, 2025 · Mac OS X 10.2 Jaguar, August 23, 2002 Mac OS X 10.1 Puma, September 25, 2001 Mac OS X 10.0 Cheetah, March 24, 2001 macOS is the operating system designed to run on Apple …

Mac operating systems were developed by Apple Inc. in a succession of two major series. In 1984, Apple debuted the operating system that is now known as the classic Mac OS with its release of the …

Use About This Mac to see the version of Mac operating system installed on your Mac.

Sep 28, 2025 · Whether you’re a longtime Mac user or just curious about Apple’s OS history, here’s a complete list of macOS versions in order, from Cheetah to Tahoe. macOS Versions in Order: …

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 first version of Mac OS X and the codenames that Apple used...

Dec 12, 2025 · macOS (aka OS X, Mac OS X) is the primary operating system for Apple’s Mac computers. ... Major versions of macOS are released once a year now and usually maintained for …

Mar 3, 2025 · Since its introduction in 2001 (originally as Mac OS X), macOS has evolved through numerous versions while maintaining its reputation for stability and security.

Jul 23, 2025 · Classic Mac OS (1984 to 2001): MacOS is known as Classic Mac OS. it was the original operating system for Macintosh computers. It was recognized by its graphical user interface and …

Nov 20, 2025 · Discover the complete list of macOS updates ever released and check the compatibility of your Mac with macOS Compatibility Checker.

Sep 3, 2025 · Mac operating systems have evolved significantly over the years, with each version bringing new features and improvements. Many Mac users have strong opinions about which macOS …