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

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

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

Dec 18, 2025 · macOS Tahoe is the latest version of macOS, featuring Apple's new Liquid Glass design, a more powerful Spotlight, and more.

macOS (previously OSX and originally MacOSX) is a proprietary Unix-based [7][8] operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by …

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.

Jun 11, 2025 · What is macOS? MacOS is the computer operating system (OS) for Apple desktops and laptops. It is a proprietary graphical OS that powers every Mac. OSes interact with a computer's …

Mac OS X, OS X, and macOS The system was launched as Mac OS X, renamed OS X from 2012—2016, [10] and then renamed macOS as the current Mac operating system that officially …

Learn how to set up and use macOS. Find all the topics, resources, and contact options you need for macOS.