The badge is less important.
What you need to register with most authors support forums is the purchase code.
Once signed in with the correct information and account then follow the steps above in your downloads page to find this information.
Once you have that you can register for support from the author (assuming you purchased less than 6 months ago)
Bear in mind what you want to do is customisation so outside the scope of standard support - the author may choose to help or you may need freelance help.