Upgrade to macOS High Sierra

macOS High Sierra refines the features that you use every day—and brings new technologies to make your Mac ready for future innovation.

Get the upgrade

Learn how to back up your Mac, then get macOS High Sierra from the Mac App Store.

What’s new in macOS High Sierra?

macOS High Sierra brings new technologies that make it more reliable, responsive, and ready for future innovation. And refinements improve the features and apps you use every day.

More macOS resources

Get help using macOS, moving content to a new Mac, and more.