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.
First, make a backup
It’s important to make a backup before you begin, and the process is simple.
Back up your Mac
Check compatibility
Find out if your Mac meets the system requirements to run macOS High Sierra.
See compatible Mac models
Free up space
Low on storage space? You can delete files, move content, or use the tools that macOS offers to optimize storage.
Learn how to increase disk space
Download macOS High Sierra
Visit the macOS High Sierra page in the Mac App Store, click Download, and follow the steps.
Go to 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.