Feb 5, 2026 · New operating systems for Mac not only bring new features, they bring better performance, enhanced privacy, and better workflow for those working across devices.

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 …

Feb 13, 2026 · Explore every macOS version from Mac OS X Cheetah to macOS 26 Tahoe, with release dates, features, names, and the versions still supported.

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: …

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

Nov 9, 2024 · Apple has developed its proprietary operating systems for Macintosh computers since their introduction. The evolution of these systems reflects significant advances in technology and …

From 2001 to 2026, Apple has released a total of 22 Mac operating system versions. Here are all macOS software versions in order until 2026.

May 24, 2025 · Apple’s macOS (formerly Mac OS) has come a long way since its first release in 1984. Over the decades, the operating system has undergone numerous transformations, introducing new …

Nov 15, 2024 · Here's everything you need to know about the latest version of macOS, and a list of every version of the Mac operating system from Cheetah to Sequoia.

macOS (previously OS X and originally Mac OS X) is a proprietary Unix [9][10] operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by …