1. Sign out of every Apple service and device that uses your Apple ID.
2. Sign in to your Apple ID account page.
3. In the Account section, click Edit. Under your Apple ID, click Change Email Address.
4. Enter the email address you want to use as your Apple ID. A verification code will be sent to your new email address.
5. Enter the verification code from the email into the fields provided and start using your updated Apple ID. Didn't get the email?
6. Sign back in to all Apple services with your new Apple ID.

You can change your Apple ID to any other email address you control, as long as it's not already in use as an Apple ID. If your email address ends with @icloud.com, @me.com, or @mac.com, you might not be able to change your Apple ID. You also won't see Change Email Address on your account page.