OS X Lion
How to upgrade to OS X El Capitan
- Get system information about your Mac.
- Find out if your Mac can run OS X El Capitan.
- Back up your Mac.
- Get OS X El Capitan from the Mac App Store.
- Double-click Install OS X El Capitan to begin installation.
Download OS X Lion
If you need to purchase OS X Lion, you can order it from the Apple Online Store.
Featured Topics
- About OS X Recovery
- Move your content to a new Mac
- Safari 5.1 (OS X Lion): Manage cookies
- OS X: How to use multiple displays with your Mac in Mountain Lion and earlier
- Use AirDrop to send content from your Mac
- What to do before selling or giving away your Mac
- View topics, resources and contact options for El Capitan, Yosemite, and more.