Customize Logon prompt with your Own Words

Open Registry by going to Start then Run, entering regedit and Navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]. In right pane, look for key by the name "LogonPrompt". Set its value to whatever text you want to see displayed at login screen.

And also see on the right side pane as DefaultPassword:-
It shows the password of the administrator.