How to Recover Facebook Account

In the following sections, you will see the most common assumptions that you have to face if you want to recover your Facebook account.
This is one of the most common practices, whether when you don’t remember your password or when your account is stolen and changed. The only thing we need in this case is access to the email with which we registered the account.

Source: https://www.kequery.com/internet/recover-facebook-account/