You just have installed Windows 8. After testing and playing with it, you are looking to Sleep, Restart, or Shut Down your Windows 8 PC. Bang! Where is the power menu in Windows 8. Don’t worry, Microsoft is trying to play a little “Hide & Seek” with you. The new Start Menu in Windows 8 does not contain power menu. Here is how to sleep, restart or shut down Windows 8.
Step 1:
Anywhere in Windows 8, move your mouse cursor or finger (touch) to bottom left corner and hover there for some time.
Windows 8 Charm Menu will open and it will look like this in Start Menu and Desktop respectively.
Now press or click on Settings and a pane will open on right side.
OR
Press Windows Logo Key + I to open Settings Charm
Step 2:
At the bottom, you can see “Power” with familiar icon. Click or press it and you can see options to Restart, Shutdown or Sleep.
You can also show Hibernate option in Windows 8 Power Menu.