Hi, and thank you for asking your question.
First off, please open up the following link:
Sign in with your AOL Username and password.
When prompted, type the answer to your Account Security Question and click Continue.
Under Service Options, select Manage My Subscriptions.
On the Manage My Services & Subscriptions screen, click Change Payment Method.
Here, you may choose to add a new payment method.
Finally, complete the given form and click Add Payment Method.
This should do it. If you need more help, please use the Reply box to continue our conversation.
And, kindly do not forget to rate my service by clicking on (and submit) one of the star buttons at the top of this page. Thank you!