Credit cards can be added or updated directly in your user account. Please follow these steps:
Step 1: Click the "More" Icon in the top Right Corner
Step 2: Select "My Account."
Step 3: Select "My Billing Profile.
Step 4: Select “Manage”
Step 5: Select Payment Method in the pop-up window. Here you can update your card
information. You can also cancel your subscription in this window if needed.