Open Hibernate in Windows 8

1st Step:
Press Win + W key . Then Type “Power” , Windows will Show you  Results.
You  Click on “Power Option”

2nd Step:
Click on Choose What the Power Button do.

Enable the Hibernate on Windows 8.

3rd Step:
on Next Screen Click on  Change Settings which are currently Unavailable.

4th Step:
Scroll Down to “Shutdown Settings” option, and Check  Hibernate box to Enable it and Click on Save Changes.