1. Enter the necessary details as usual to make the bill.

  2. Let's take an example: If the customer pay only Rs 1000 out of Rs 8378, then change the amount to Rs 1000 in the payable amount.

  3. After changing the amount, select the mode of payment (card, cash..etc). And remaining balance amount will be reflected in payable amount.

  4. Click on save/Checkout  now and click yes to continue the part-paid bill. 

  5. To get the due amount, enter the customer's name in the quick bill on his next visit. His due/Unpaid amount will be displayed near to his name in red color.

  6. Click on it, click pay>proceed to payment>select the mode of payment from which the customer is paying the amount.

  7. Finally, click on the save option to compete for the invoice.