If you have a Facebook account, there is no way to reactivate it in 2020. If you don’t have an account, then there’s nothing to reactivate.
If you don’t remember your password, Facebook will not provide you with a new one. You can try sending them an email to request they send you a new password, but they may not be able to do so as they would need some proof that it is actually you.
Unfortunately, you’ll have to wait until 2021 to reactivate your account because Facebook is a private company and they can decide when an account can be reactivated.
Yes, you can reactivate Facebook after deleting it. When you delete your account, all of your information is deleted from Facebook’s servers. This includes both your profile and any information that is shared with other people or apps through Facebook. That said, if you have been using Facebook to log into other websites or apps, those accounts will not be deleted when you delete your Facebook account.
When you cannot access your account, the password reset option is a way for you to recover your account. For example, if you have forgotten your username or if you are locked out of the system, the password reset option will allow you to change your login credentials so that you can regain access to your account.
If you have a Facebook account, you can log in to your account by going to the Facebook website and entering your username and password. If you do not have a Facebook account, then the only way to open an account is by creating one.