Learn...

Right-click On the desktop, and go to New, then to Shortcut. You will now see a pop-up window instructing you to enter a command line path.
Just type:-
SHUTDOWN -s -t 01
click next & then give it any name.
Now if u want to shutdown your system just click it..
your system will get shutdown..

You can also make a timer for your system from this
for example u want that your system would get shutdown in 1 hour then create a shortcut and type:-
SHUTDOWN -s -t 3600
now if you click it. your system will get shutdown in 1 hour.
Remember the time is in seconds.