(1) Choose a customer. (2) Click on the Balance Due section. (3) Then check on the invoice that will be settled. (4) Click on the Total section to change the total amount. (5) Then click on the PAY BALANCE button. (6) Then enter the Payment type and Notes about the payment. (7) Then click on PAY BALANCE. (8) Then click on the Yes button to proceed with the payment. (9) The BALANCE DUE will update depending on the payments entered.