All you have to do is get a USB pen drive, or external drive, go to the game data, press triangle for options and then copy and choose the usb drive to copy it to. Once you power it back on it will detect there's a new unformatted hard drive and will do it for you, it took about 10 - 15 mins to format my 320 gig drive. Once done just copy your saved game data back. Job Done