Right click the Windows (Start) icon and go to Properties. Start
Menu/Customize. Make sure that "System Administrative Tools"
is checked to display.
Go to it and click Computer Management. Then double-click Local Users &
groups.
Right-click Administrator in "Users" - Properties, and uncheck the disabled
line. Do NOT apply a password whilst in that module!
If you want Administrator to show on your regular Welcome screen then do the
following:
Show Admin on Vista Welcome Screen
Show Administrator on Welcome Screen in Windows Vista
start -> run = †control userpasswords2 †select administrator account,
click reset password (input new pass) / Ok
start -> run = †regedit †create the key below
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
NT\CurrentVersion\Winlogon\SpecialAccounts\UserList
create “DWORD (32bit) Valueâ€
Value Name: Administrator
Value Data: 1