In Windows 8.1, you can use the shutdown options (hibernation, restart, system shutdown) through Charms.
Click the [
] icon on the bottom-right of the Start screen.
As shown in the following, the power options appear.
Select [Settings]in [Charms] in the Desktop or on the Start screen.
When you press the [Power] icon on the [Settings] menu, the power options appear as shown below.
[When you press [
] + [I], the [Settings] menu appears immediately.
Press the Start button (
) on the bottom left
corner of the Desktop by using the right mouse button and then the
pop-up window appears.
Select [Exit and Logout] and then [System Shutdown] as shown in the following figure.