Things You'll Need
Instructions
Install Flash Drive
Turn off the console and insert the USB flash drive into one of the front controller ports on the front.
Turn on the console and access the "Dashboard" menu.
Scroll to the "My Xbox" section.
Open "System Settings."
Choose "Memory." A list of your connected storage units appears.
Choose "USB Storage Device." Formatting options appear.
Choose "Configure Now." A message appears informing you that formatting the Flash drive deletes all content on the device.
Click "Yes." The USB Flash drive formats, allowing you to store your console's data on the unit.
Install Larger Hard Drive
Turn off the Xbox 360.
Locate the hard drive bay's door on the right side of the console, when positioned horizontally.
Slide the door's release button toward the console's front. The door unlatches and opens.
Grasp the old hard drive's release tab and pull it out of the console.
Insert the new hard drive into the vacant hard drive bay. The hard drive clicks into place, indicating proper installation. Reinstall the hard drive's bay cover.