Xbox 360 games can be backed up on PC by using the Xbox 360 backup utility. This utility can be found on the Xbox 360’s main menu. After launching the utility, you will need to select the game you want to backup. The next step is to choose the location for your backup. You can either save your game data on a hard drive or store your game data on a cloud-based service. After choosing the location, you will need to select the type of backup you want to make. You can create a full or incremental backup. After making your backup, you will need to click on the “Backup” button and wait for it to finish. Once it has finished, you will need to open your game in order to see if it was successful. If not, you can try again later or contact customer service if there are any problems with your backup.