Change the Login Window

To Change the Login Window follow this step:

Start/Run/Regedit Key

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\ CurrentVersion\Winlogon]

Value Name: LogonType
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = Classic Mode, 1 = Welcome Screen) 

Create a new DWORD value, or modify the existing value, called 'LogonType' and edit the value according to the settings below. Reboot.