To update your payment method (card details, or change card to PayPal for the some reasons) please follows below mention simple steps:
1) First, proceed to the personal billing menu
2) In the billing menu you will find the list of active subscriptions available. Now click on "pencil icon" in the right corner of active subscriptions
3) This action activates the pop-up window. Insert all the necessary details and press "pay" button
Please be advised that system will automatically charge you 1 USD after you press pay, however, this amount will be back on your account within 24 hours, no worries.
If you have any questions, please email us at firstname.lastname@example.org.