1. To update your payment details you will need to go into the "Configuration" tab.
2. Under "Your Subscription" click on "Update Payment Details".
3. This will then take you to a new screen. Here you can click on the blue "Add New Credit Card" button.
4. Here you can enter in your Credit Card details. Once you have completed your details you can click on the blue "Save Changes" button.
5. Your SimplySwim subscription payments will now be debited from the details you have provided.
To upgrade your subscription please see below article.