If you did not complete your Account Wizard, simply login again to Ad Kahuna and your Account Wizard will appear. Until you are finished setting up your Account Wizard, you will be redirected to the parts that are incomplete. 

To edit your account, click Settings and the section that you need to edit. Click Save to apply the changes.

Note: 

If you subscribe to the Basic Subscription Plan and have not used all 50 credits in a month, your credits can be used during a later month.