Log In to your account by clicking the unique customer portal link sent to you via email or SMS or log into your customer account on our website.2. Click on the PAYMENT METHODS tab.3. Click on ADD NEW PAYMENT METHODS tab.4. Click the SUBSCRIPTIONS tab and click EDIT on the subscription to be updated.5. Expand the SHIPPING AND BILLING section and click USE THIS SHIPPING AND BILLING PAIR.6. Return to the PAYMENTS METHODS tab, expand the old payment method and click REMOVE PAYMENT METHOD.