How to download and install macOS - Apple Support
Nov 3, 2025 · Download and install current or previous versions of the Mac operating system on compatible Mac computers.
Mac - Official Apple Support
Learn how to set up and use your Mac computer. Find all the topics, resources, and contact options you need for Mac.
Find out which macOS your Mac is using - Apple Support
Use About This Mac to see the version of Mac operating system installed on your Mac.
Update macOS on Mac - Apple Support
Nov 3, 2025 · 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 …
What's new in the updates for macOS Sequoia - Apple Support
Nov 3, 2025 · macOS Sequoia updates improve the stability, performance, or compatibility of your Mac and are recommended for all macOS Sequoia users.
如何下载和安装 macOS - 官方 Apple 支持 (中国)
如何下载和安装 macOS 使用下面任一方式在兼容的 Mac 电脑上下载并安装最新或以前版本的 Mac 操作系统。 使用“软件更新” 使用“macOS 恢复” 使用 App Store 使用网页浏览器获取较旧的版本 使用“终 …
Create a bootable installer for macOS - Apple Support
Oct 15, 2025 · Choose your language, if prompted. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.
Official Apple Support
Learn more about popular features and topics, and find resources that will help you with all of your Apple products.
Mac - 官方 Apple 支持
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。
Mac OS X 10.6 Manuals and Downloads - Apple Support
Software Mac App Store Update for OS X Snow Leopard Apple Events Server Update OS X Snow Leopard Migration Assistant Update for Mac OS X Snow Leopard v1.1