Open Settings on your iPhone or iPad
Tap your name at the top
Tap Sign-In & Security
Tap Apple ID
Enter the new Apple ID email address
Tap Continue
Enter the verification code sent to the new email address
Sign in with the new Apple ID
On a Mac, open System Settings
Click your name
Click Sign-In & Security
Click Apple ID
Enter the new Apple ID email address
Click Continue
Enter the verification code
Sign in with the new Apple ID
On the web, go to appleid.apple.com
Sign in with your current Apple ID
Select Apple ID or account settings
Enter the new email address
Save the changes
Verify the new email address if prompted