First you must to enable “Administrator” account in your OS.
My Computer (right click) –> [Manage] –> [Users and Groups] –> Users –> Administrator –> Properties.
Then do the same thing as WinXP do.
Method 1: Using TweakUI Power Toy for Windows XP
Download TweakUI from here:
|v2.00 for Windows XP||v2.10 for XP SP1 and above|
Open TweakUI and click “Logon” option in the left pane. Put a checkmark against the option “Show Administrator on Welcome Screen”. Click OK to close TweakUI. Logoff and see if Welcome Screen lists Administrator login. Changes are immediate and you can use the Winkey + L to switch back to Welcome Screen to see Administrator account is listed.
Method 2 - Manual registry edit
Click Start, Run and type Regedit.exe
Navigate to the following key:
HKEY_LOCAL_MACHINE SOFTWARE Microsoft Windows NT CurrentVersion Winlogon SpecialAccounts UserList
Right-click in the right pane and select New DWORD Value.
Type-in Administrator as the value.
Double-click Administrator, and assign a value of 1