macOS - Wikipedia
macOS (previously OS X and originally Mac OS X) is a proprietary Unix [8][9] operating system, derived from OPENSTEP for Mach …
OS - macOS 27 Golden Gate - Apple
macOS 27 Golden Gate with all-new Siri AI powered by Apple Intelligence and new features for a more responsive, delightful …
How to download and install macOS - Apple Support
Mar 4, 2026 · Use any of these methods to download and install current or previous versions of the Mac operating system on …
macOS version history - Wikipedia
The history of macOS, Apple 's current Mac operating system (formerly named Mac OS X until 2011 and then OS X until 2016), …
Mac - Official Apple Support
Learn how to set up and use your Mac computer. Find all the topics and resources you need for Mac.
The full list of all macOS versions until 2026 - Setapp
Jul 7, 2026 · macOS is the operating system designed to run on Apple laptops and desktop computers. As Apple grew and …
Every macOS version: Complete list from Mac OS X Cheetah to macOS …
Jun 10, 2026 · Explore every Mac OS X and macOS release from Cheetah to macOS 27 Golden Gate. Find release dates, …
How to Download MacOS Installers for New & Old Versions
Want to know how to download MacOS and Mac OS X installers? You might be wondering where you can download current and …
macOS Big Sur - Apple (IN)
macOS Big Sur elevates Mac to a new level of power and beauty with a refined new design, major app updates, and more …
See What’s New in macOS 27 - App Store
macOS is a safe and trusted platform for kids and teens, with powerful, intuitive, industry-leading child safety features that help …