Dec 18, 2025 · Download and install current or previous versions of the Mac operating system on compatible Mac computers.

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. That system, …

Nov 24, 2025 · Learn about all macOS versions Apple has ever released, including the latest macOS Sequoia.

Here's everything you need to know about the latest version of macOS and every version of the Mac operating system from Cheetah to Tahoe.

macOS Tahoe with a new design, more ways to work seamlessly across devices, and new features to turbocharge productivity every day.

May 28, 2025 · MacOS Sequoia, also known as macOS 15, is the version of Apple's desktop operating system that launched in 2024. The OS update adds a few new capabilities to the Mac, including a …

Dec 12, 2025 · Check end-of-life, release policy and support schedule for Apple macOS.

macOS Sequoia (version 15) is the twenty-first major release of Apple 's macOS operating system, the successor to macOS Sonoma. It was announced at WWDC 2024 on June 10, 2024. [3] In line with …

Oct 10, 2025 · MacOS, operating system developed by the American computer company Apple Inc. The OS was introduced in 1984 to run the company’s Macintosh line of personal computers, which …

Find out about the latest version of macOS 15 Sequoia, compatibility, problems, what's new in macOS 15.6.1.