Can I modify my order? July 06, 2022 07:45 Updated Once you have paid for the order, you cannot modify it. If you would like to order more, you can start a new order. Related articles How can I cancel my order placed through the McDonald’s App? Can I request a refund for an order that I have not collected using McDonald’s App? Can I change my pick up option once the order is placed? When will I be charged for the order? Do I get a receipt after confirming the payment? Where can I find my past orders?