USED A WRONG E-MAIL FOR MY APPLE ID REGISTRATION
upon registering for a new apple id, i mistakenly entered a wrong email and its being difficult to verify the mail to use the app store. help me change the mail.
MacBook Air 13″, macOS 10.15
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See Change your Apple ID https://support.apple.com/en-us/HT202667.
And, here is What to do after you change your Apple ID or
Password https://support.apple.com/en-us/HT204071 (supplementary to what the fist link says)