You can change your billing details at any time from the payments page.
To modify billing address:
Click your Profile in the upper-right corner.
Click Upgrade.
Click Billing Address in Payment Method .
Click Change .
Update the details and click Update .
A confirmation message about the billing address change is displayed.
Note: You can click View Subscription on the same page to view your current active subscription. You can also add email recipients for any payment related updates by clicking Email Recipients and then Add Recipient.