To maintain an order double click the yellow background text on any order you wish to open up.

Once you double click on the order you want to maintain the maintain order screen will appear similar to the following screen:

Once here you can edit, delete or add any items, make changes to the demographics of the order or edit/add/delete line items, add payments, order comments or anything that pertains to this order. When finished click on the Done button in the upper right hand corner of the maintain order screen.