I figured it out from my end.
Go to applications and launch license control center. A window will pop up stating that you do not have a license. Go to the top of the screen and click on on of the tabs, (I think it was edit license) and click on add license. A wizard will pop up and allow you to enter the code. Then it will authenticate it over the Internet and you will then be set.
Maybe a few extra screen shots on the activation help would aleviate a lot of frustration for us.
Kevin