Hi there and welcome
Can you use my link below please as this will lead you on the process to reset your apple password.
Once done, you can then use this new password ***** sign into your account again.
I can also do these steps for you, and have made a request via Additional Services. This is optional, and if you choose to do this, I can, with your permission, remote into your computer while you watch and do all these steps (and deal with any problems that arise during them) for you. Or if you do not choose to take this service, we can continue here. This is no problem at all. Just let me know please.
Else let me know please how you go.