macOS, originally Mac OS X, previously shortened as OS X, is a Unix-based [6] [7] operating system developed and marketed by Apple since 2001. It is the current operating system for Apple's Mac computers.

2024年9月16日 · Download and install current or previous versions of the Mac operating system on compatible Mac computers. To maintain your computer's security, stability, and compatibility, Apple recommends using the latest macOS that is compatible with your Mac. macOS updates and upgrades also include the latest features and built-in apps such as Safari.

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.

2025年1月1日 · Mac OS X was the official naming through version 10.7, from 2001 to 2011. In the next four years, the OS X names were used. Finally, Apple shifted to "macOS" with the release of macOS High Sierra in 2016.

2025年2月11日 · Curious about the versions of Mac OS X that came before? Here we’ll fill you in on the names of the different versions of the Mac operating system in order: from the newest macOS to the first...

macOS is the operating system that powers every Mac. It lets you do things you simply can’t with other computers. That’s because it’s designed specifically for the hardware it runs on — and vice versa. macOS comes with an entire suite of beautifully designed apps.

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

2025年3月2日 · Development of OS X. Following Cheetah, Apple established a pattern of regular updates, each named after big cats. Mac OS X 10.1 Puma (2001) improved performance, while Jaguar (10.2) added features like iChat and a new Address Book. Panther (10.3) introduced Safari and Exposé, while Tiger (10.4) brought Spotlight search and Dashboard widgets.

14 小时之前 · macOS 16 is expected to debut at WWDC this year. Here's everything we know about the new software version so far.

2017年9月25日 · macOS (formerly Mac OS X and OS X) is the operating system used on Apple's line of Mac computers since 2001. It is currently released for the Intel 64-bit and Apple Silicon (ARM64) architectures, and was previously released for Intel 32-bit (IA-32) and PowerPC.