2013-01-21 03:52 PM - edited 2013-01-21 03:56 PM
I think you mean product key, that's the series of letters and numbers on the back of a slip of paper inside the box to install your game
2013-01-21 03:52 PM
A product key, also known as a software key, is a specific software-based key for a computer program. It certifies that the copy of the program is original
product keys look like this (01234-ABCDE-12345-ABCDE-12345)