When you click "Options...", you will be presented with some options. If you're trying to access the Mac from Windows, you'll want to make sure SMB sharing is enabled and that at least one user is enabled as well.
Another screenshot showing smb enabled.
Windows pc wants Network Credentials for Phil Arnold. Asks for password. Since this is not Apple ID I don't know what is the password.
SOLVED: FOUND THE CORRECT PASSWORD AND IT WORKS. THANK YOU!
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