Changing the Action for the Start Menu Power Button

At the bottom right of the Start Menu are three icons.
The left one (circle with a vertical line) is the Power Button
To change the action (Sleep, Hibernate or Power Off)

1. Go to the Control Panel
2. Select System Maintenance and then Power Options if it is the Default View or
3. Select Power Options if it is the Classic View
4. Under your current plan, click on Change plans settings
5. Click on Change advanced power settings
6. Click on the + by Power buttons and lid
7. Click on the + by Start menu power button
8. For the Setting, select Sleep, Hibernate or Shutdown
9. Click on Apply and OK
10. Now when you hover over icon, you can see the action it will take.