i forget my Id and password

Click on this link to read what to do "If you forgot your Apple ID" --> https://support.apple.com/HT201354 Note that typically this is an email address you use.

Click on this link to read what to do "If you forgot your Apple ID password" --> https://support.apple.com/HT201487

or go directly to this link --> http://iforgot.apple.com/

Also read about "What to do after [or before] you change your Apple ID email address or password" - https://support.apple.com/HT204071

If you still need help:

Contact Apple for help with Apple ID account security "This article provides country-specific Apple Support contact information for customers seeking help with their Apple ID password or other security-related issues." Click here --> https://support.apple.com/HT204169

yaniri130 Said:

"i forget my Id and password: i forget my password and i not sure my ID"

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Use These Forums' Credentials:

You are able to log in to these forums just fine. So, the credentials (password and eMail) would be no different, given it is the same account.