In order to register your Pinnacle product, you need to visit the following website. If you have an account, enter its mail address in the mentioned field. If not, you need to enter a valid mail address to continue with the registration process. After you accessed the customer registration area, you can then use your activation number. If you have troubles with this, contact the dealer from which you bought the program. He can help you in this matter.
You can find all the available information about the registration process for a Pinnacle product, on the following website.