Step 1: Navigate to Payment Settings
On the left-hand sidebar, click the "Payment Settings" page. Click the "Manage Billing" button.
Step 2: Get Access Code
Enter the email for your account (this auto loads). Click "Send Code".
Step 3: Retrieve Code From Email
Step 4: Enter Confirmation Code
When the code is entered it will take you to the billing portal.
Step 5: Update Payment Method
Click the "Add Payment Method" button on the billing portal. You can delete the current card by hitting the "x" on the right of the card details.