Mar 4, 2026 · Download and install current or previous versions of the Mac operating system on compatible Mac computers.

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

了解如何升级至最新版 macOS 以获得最新的功能和超强的安全性，以及如何让 Mac 自动保持更新。

Apr 16, 2026 · Update macOS on Mac To maintain your computer's security, stability, and compatibility, Apple recommends using the latest macOS that is compatible with your Mac. macOS updates and …

Use About This Mac to find out which Mac operating system (macOS) is installed on your Mac, and learn whether it's the latest (newest, most recent) version.

Mar 10, 2026 · Mac keyboard shortcuts By pressing certain key combinations, you can take actions that normally require a mouse or trackpad. Every app can have its own shortcuts, and shortcuts that work …

Scarica e installa le versioni attuali o precedenti del sistema operativo Mac su computer Mac compatibili.

On your Mac, use the Finder (identified by the blue icon with the smiling face) to view, organize and access almost everything.

Mar 27, 2026 · Take a screenshot on Mac You can capture the entire screen, a window, or just a portion of the screen. Capture the entire screen Capture a portion of the screen Capture a window or menu …

ใช้ "เกี่ยวกับ Mac เครื่องนี้" เพื่อดูเวอร์ชั่นระบบปฏิบัติการ Mac ที่ติดตั้งอยู่บน Mac ของคุณ