1. Open Start menu then click on RUN.
2. Type in the Run Window Regedit
3. Windows Registry editor will open then navigate from the left

panel :HKEY_CURRENT_USER\Software\Microsoft\WindowsNT\CurrentVersion\Winlogon\SpecialAccounts\UserList
4. Create a new DWORD, setting its name to the name of the account you wish to hide.
5. Then set its value to 0 to hide it.
You are done....


How To Login In it after you have hidden the account :

1. At Welcome screen, and you want to login to this account.
2. Press Ctrl+Alt+Delete twice and it will display the log-on promt.
3. Type the username, and the password and hit enter.