To access the Registration screen, right click on the DriverAgent Plus icon in the and choose 'RegisterDriverAgent Plus'. The registration screen will also pop up whenever an action requiring membership is performed.PleaseĀ enter the Product Key that was emailed to you. Comcast x1 box user manual. It is not case sensitive, andthe dashes are optional.However, you may have been given a Username and Password instead of a Product Key. Use those credentials to log in to DriverAgent Plus.com.Your Product Key will be displayed on your member homepage.To learn more about product keys please proceed to the section.