how to access my apple email

And you have to be able to access your account to access your email. Anyway, since this is all circular, I am not sure why you don't just log into your account.

"If you can’t sign in, reset your password, or receive verification codes, you can request account recovery to regain access to your account [ How to use account recovery when you can’t reset your Apple ID password - Apple Support ]. Account recovery might take a few days or longer, depending on the specific account information you can provide to verify your identity."