Trying to receive my code to email and get nothing how do I fix the problem it's for identifying it's me?

If I understand correctly you need a federal identity code.

You can use the IRS website ID.me to request it.

• This IRS issued PIN is 6 digits long.
• Your signature ID (also called a self-select PIN) is a random 5-digit number you entered last year, right before you submitted your return.