Login into your e-store account and click on store manager.
Scroll down to the order processing options. Select order processing via CyberSource.
Update your e-store by clicking on update store.
To finish the setup, you need to fill out the CyberSource Merchant ID, browse in your current CyberSource key and in case you want to run a test to check if the gateway is working properly, check the connect to payment gateway in test mode box. After doing all these steps, click Finish Setup to start using your CyberSource gateway.
