Go to the American Idol home page and toggle over the 'Show Info' link, then click on the link for the Newsletter. It is located on the bottom of the list of links under 'Show Info'. The link is also listed at the bottom of this article in the 'Resources' section.
To fill out the American Idol Newsletter registration form you need to enter a valid email address, date of birth, choose whether you want to receive the American Idol Newsletter in text or html, gender, zip code, and country.
After you have filled out the registration form, and before you click the 'signup' button, you may want to uncheck the two boxes under the registration form. If you leave these two boxes checked you will receive a lot of email that you probably aren't interested in.
Enjoy your American Idol Newsletter, and if for some reason you decide you don't want the free newsletter anymore; there is a link you can follow on the newsletter at any time to you want to cancel your free subscription to the American Idol Newsletter.