How do I update my personal details? July 06, 2022 09:24 Updated You can change your personal details when you click on the ‘Edit’ tab when you are in the ‘My Account’ page. Related articles Where can I change my account information? Can I change my email address under my profile? Can I reset/deactivate my account? I am having issues registering the McDonald's App. Why is this so? What is the difference between the “Feedback” tab and the “Contact us” tab?