Retrieving Apple ID and password

If you go through the various places in Settings, do you see your Apple ID?

See if you can recover the ID/password.

Apple ID - How to find your Apple https://support.apple.com/en-us/HT201354 An iCloud e-mail address is an Apple ID.

Apple ID - Find https://iforgot.apple.com/appleid#!&section=appleid

Enter the Apple (iCloud) ID and click Forgot Password.

Apple ID - Manage https://appleid.apple.com/#!&page=signin

Apple ID – Forgot Password https://support.apple.com/en-us/HT201487

Did you try the other links I posted?

What happened when you tried the links I posted?