There are many PC gamers out there who enjoy killing badies and rescuing princesses on their high powered laptops. So, just like most of the major titles, you need a disc in order to play many of the games out on the market. In this tutorial, though, you'll be finding out how to play PC games without the need of the CD. It's pretty easy to do and is really convenient for those looking to travel without so much extra weight. Good luck and enjoy!