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.

Feb 5, 2026 · The first ancestor of the macOS family was Mac OS X Public Beta released in 2000, followed by a public release of Mac OS X 10.0 in 2001. Let’s recount the stories of all Mac OS X …

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

Nov 9, 2024 · The journey began with the Classic Mac OS and has progressed to the Unix-based macOS we know today, demonstrating significant advancements in usability, security, and functionality.

4 days ago · This ultimate guide covers macOS evolution from 2001’s Mac OS X Cheetah through the current 2026 macOS Tahoe 26

Sep 30, 2025 · Whether you’re checking compatibility for an older Mac, planning an upgrade, or simply curious about Apple’s OS history, you’ll find every version with release dates, support status, and key …

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.

Dec 12, 2025 · Looking for a complete list of all macOS versions? This comprehensive guide covers every macOS version, release date, and codename from Mac OS X 10.0 in 2001 through macOS …

Dec 2, 2025 · Are you looking for macOS Version History? Well, you came to the right place! In this article, I’m not going to list the version history of the classic Macintosh Operating System found in the …

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 …