Hi, Your product key is on a blue sticker, stuck to your system case, and as Jessie L said, your Data Safe software is installed on your system, to make your backup. I have a 570, and every now and then I get a prompt from Data Safe wanting to know if I want to backup, you should get the same. Also, it give you the option to make a set of disc's.
I have a dell PC (inspiron 580s) how do I find the cd key for the windows pre-installed on my PC. If I want to install windows 7 from some other DVD then can I use this cd key.  
How do I find my windows 7 cd key?