1. Click on the Payment Methods option under the Cart Settings menu.
2. The Payment Methods page opens.
3. Under Enable/Add Gateway, select the payment gateway you want to enable/add.
4. When you are ready, click on the Enable Gateway button. This will open the Payment Method Setup page for the selected gateway.
5. The Payment Method Setup page will vary depending on the selected gateway. An example is shown in the figure below.
6. Fill out the setup form with your payment information.
7. When you are ready, click on the Save Changes button. This will update the information and add the payment gateway under the Realtime Processing - Payment with Credit Card on your Payment Methods page.