Use About This Mac to see the version of Mac operating system installed on your Mac.

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

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

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

Learn more about popular features and topics, and find resources that will help you with all of your Apple products.

Jan 15, 2026 · 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 …

From the Apple menu in the top left-hand corner of your screen, choose About This Mac. The window that opens may look different from the example shown here, but it will always include the macOS …

Téléchargez et installez les versions actuelles ou précédentes du système d’exploitation Mac sur les ordinateurs Mac compatibles.

Learn what’s new in macOS, how to get started with your Mac and use it with your Apple devices, and how to control privacy and security on macOS.

Check for macOS updates, security updates, and updates to the built-in apps on your Mac.