The document provides a 20 step guide for making a purchase order using cash and digital payment in the Netree app. It instructs users to search for and open the Netree app, select purchase order from the listing bar, choose a seller from contacts, add products, generate a bill, split payment by entering an amount for cash and the remaining amount for digital payment, and submit payment through debit/credit cards. Upon successful payment, the order status can be viewed under pending orders.