Instructions
Insert the game disc you want to install into the disc tray and close it.
Highlight the game in the "My Xbox" section of the Xbox dashboard and press "Y" on your game controller.
Highlight "Install to Hard Drive" and press "A" on the game controller.
Wait until the onscreen progress indicator has moved to completion before powering down your console or removing the game disc. Once this indicator shows completion, the game has been installed to the hard drive.