You can shut down Windows with a double-click instead of having to navigate the entire Start / Shutdown / Shutdown / OK sequence. Right-click on your desktop and select New / Shortcut. You will see the Create Shortcut wizard. In the field labeled Type location of the item enter the following command:
Shutdown -s -t 0
Click Next. Enter a name for the shortcut, e.g. Quick Shutdown. Click Finish. If you want to replace the generic icon for your new shortcut, right-click on it, select Properties, select the Shortcut tab, click Change Icon, and select the desired icon.
You can also create a shortcut for a quick restart. Follow the instructions above, but enter the following command instead: