Enjoy PPC

You need to sign up for an AdSense account. It’s a simple process, but you will have a short wait while your site is approved. Once your website is approved you are free to use AdSense ads on any site you have, but just because you don’t need to have the other sites approved you will still need to make sure you are following the AdSense terms. They are very strict and if you are caught breaking their terms you stand the risk of having your account suspended

More: continued here