If your configuration allows for different payment options such as Pay in Full, Monthly Payments, Quarterly Payments, or others, you have the ability as wicket admin to change this after an order has already been completed.
Change payment option
Navigate to the Payments area of the order and click "edit" beside the existing Payment Option.
A window will open with the available payment options. Select the option you'd like and click "Apply."
The new payment option will be displayed in the Payments area, and if a schedule of payments has been created, this data will now display as well.