How to change Logon Screen with Welcome and Classic?

Before you try out the Tweaks, Please Backup Your Registry..

This tweak specifies whether the Welcome screen or the Classic logon will be used to access Windows XP.

[Start] [Run] [Regedit]

Go to: HKEY_LOCAL_MACHINE\SOFTWARE\M*cf*t\Windows NT\CurrentVersion\Winlogon

Modify/Create DWORD Value of Data type REG_DWORD Named [LogonType]
Value Data: [0 - Classic Mode / 1 - Welcome Screen]

Exit Registry / Reboot