Where can I change my account info? June 16, 2022 04:14 Updated Once you’ve signed in with your username and password, select ‘My Account’ from the menu and click on ‘Account Settings’. You may change your account information there. Related articles I’ve forgotten/cannot log in with my email address registered previously on McDelivery.com.sg. What must I do? Can I change my contact number online? Can I contact McDonald’s® to change the email address for my account? Can I reset/deactivate my account? What happens if I forget my password?