Open the Customer Information dialog (click the Customer/Add Customer button or wait for the prompt).

Select the customer type (e.g., Regular, Senior Citizen, PWD, Solo Parent, etc.).

Fill the fields: enter Name, Address, TIN, Tel No., and ID/Card No. as needed.

Press Enter on the keyboard (or click the confirm/OK button) to save the customer info.

Verify the customer name appears in the transaction header before completing the sale.