MacBook Air

Use these steps if you can’t sign in to iCloud using the Setup Assistant after you update iOS on your iPhone, iPad, or iPod touch.

With iBooks for iOS, you can view, sync, save, share, and print PDFs on your iPhone, iPad, and iPod touch.

Learn about iBooks for iOS and Mac, including how to get books from the iBooks Store, how to organize your library, and more.

This article covers solutions for connecting to the Internet, setting up a small network, and troubleshooting.

“Three finger drag” is a Multi-Touch gesture in OS X. It lets you use three fingers to move the active window on your screen.

Learn how to use HTML5 widgets in the books you create in iBooks Author.

With iOS 8, you can use third-party keyboards instead of your standard keyboard in Messages, Mail, and more. Learn how to install, add, and use a new keyboard.

Apple Pay gives your customers an easy, secure, and private way to pay in stores and within apps using the devices that they have with them every day. 

Learn what topics are on the OS X Yosemite Troubleshooting Exam (9L0-066).

Learn which power adapter, power cord, and plug are appropriate for each Intel-based Apple notebook. Remember that size, shape, and color of replacement adapters and cords may vary.