Here's how to make a payment via the virtual terminal:
1. Sign in to your user account on the web,
2. go to Sales -> Virtual terminal,
3. select the Web register,
4. select the Transaction type (i.e. Purchase).
5. enter the Customer detail or select a customer from the list,
6. click the PROCEED button to continue,
7. enter the card details
8. click the PROCEED button to make payment.