If you only want to back up files, pictures, music etc. you can use the back up facility in Vista, found on the Control Panel. You can choose where you want the back up to be stored - so on your D drive. If you want to make a complete image of your C drive then you will need to use Norton Ghost, Acronis, or similar program.
What is Amazon Go and will it come to the UK? The store without checkouts or queues