
macOS - Wikipedia
macOS (previously OS X and originally Mac OS X) is a proprietary Unix-based [9][10] operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by …
The full list of all macOS versions until 2025 - Setapp
Nov 24, 2025 · 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 …
How to download and install macOS - Apple Support
Dec 18, 2025 · Use any of these methods to download and install current or previous versions of the Mac operating system on compatible Mac computers. Each macOS includes the latest built-in apps …
What is macOS: Guide to Apple’s Operating System
Mar 3, 2025 · macOS is a Unix-based operating system developed by Apple Inc. for its line of Mac computers. It serves as the primary interface between the user and the hardware, managing …
Latest macOS version and every Mac operating system in order | Macworld
macOS is the Mac operating system, like iOS is the iPhone operating system and iPadOS is the iPad operating system. It’s the software that runs in the background, providing the user...
macOS Versions in Order: Complete List from Cheetah to Tahoe (2025)
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.
What is macOS? - GeeksforGeeks
Jul 23, 2025 · macOS operating system that Apple Inc. developed especially for its Macintosh computer series. It is the replacement for the classic MacOS. The reliability, security features, ease of use, and …
What is macOS? - Definition from WhatIs.com - TechTarget
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 …
Apple macOS: everything you need to know about the major Windows …
Oct 17, 2025 · MacOS is essentially a condensed way of saying an operating system that runs on Mac computers. Before we dig into what makes macOS special, or sets it apart from alternatives such as...
MacOS | Facts & History | Britannica
Apple’s marketing for the introduction of the Macintosh focused heavily on its operating system’s intuitive ease of use. Unlike virtually all other contemporary PCs, the Mac OS (initially designated simply …