About MacBook Air Update
Ultrathin, ultraportable, and ultra unlike anything else. But you don’t lose inches and pounds overnight. It’s the result of rethinking conventions. Of multiple wireless innovations. And of breakthrough design. With MacBook Air, mobile computing suddenly has a new standard.

Learn more about the MacBook Air.

What’s New in this Version
This update is recommended for all MacBook Air computers, and addresses issues with video playback and processor core idling.

Third-party software that modifies processor operating characteristics such as frequency and voltage is not supported and should be removed before installing this update.

For information on this update, please visit this website: About MacBook Air Software Update