1. Go to Customer → Invoice 
2. Find and open the correct invoice you want to create a payment for 
3. Click Payment 
   
   

On the Received Payment screen:

Select the correct payment method and division 

* If you want to process a payment with a credit card

1. Check box invoice# , click Credit Card Payment 
2. Choose a registered credit card or enter a new credit card information
3. Click Pay to process the payment