You can easily track payments made while viewing the invoice. Simply click on green "Add Payment" button at the top.
Enter the payment date, value and type, and click the blue "Add Payment" button.
The amount owed will be automatically adjusted in the 'Payments' section, at the bottom, as shown below.
To print the invoice, click on the blue "Print" button at the top. ClinicAid will generate a PDF, simply save or print this document like you would any other PDF document.