Windows 8 was a huge change from Microsoft's previous operating systems. There was a lot to relearn, including something as simple as shutting down!
How to Quickly Shut Down Windows 8 with Keyboard Shortcuts
Fortunately, improvements have been made in this version of Windows, such as Windows 8.1, which have made disabling it easier by adding a number of additional methods.
It’s not like there are almost a dozen ways to turn off your computer, but that’s not so bad. You’ll be glad to have these options if you need to turn off your computer during certain problems.
The easiest method, assuming your computer is working fine, is to use the virtual power button on the Start screen: Select the power button icon on the Start screen, then choose Shut Down from the small menu that appears.