Here is the legitimate, step-by-step process to regain access.
If you're unable to access your account and you're not the account owner, it's best to reach out to Facebook's support team directly for assistance. how to view locked facebook account
That being said, if you're having trouble accessing your own Facebook account and it's locked, here are some general steps you can take: Here is the legitimate, step-by-step process to regain
Before attempting recovery, it helps to know why you were locked out: Here is the legitimate