Here's an easy way to shutdown your Windows machine.
1. Left-Click on an empty space on the Desktop.
2. Type Alt-F4 to bring up the Shutdown Dialog.
3. Select the type of action you wish to perform: Switch User, LogOff, Restart, Sleep, Hibernate, or Shutdown.
4. Bookmark this page in case you ever forget what to do. <wink>
NOTE: This works on all modern version of Windows: 9x, 2k, XP, Windows7, Windows8, ...