Display the Hibernate button on XP shutdown

This only works for Windows XP SP3.

Open up regedit.exe
Find this key

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System

Create a new key.
Rename it to Shutdown

Select the Shutdown key.
Add a new DWORD value.
Rename it to ShowHibernateButton
Modify the value to be 1
and keep the Base as Hexadecimal.

NOTE:  If you cannot find the above key, then create the System key in
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows