Window 8 operating is a different look from windows 7 or other previous operating system. All of previous Microsoft operating system shutdown button was bottom left so users are habituated using it but windows 8 has this button different position, so if you create shutdown button shortcut for windows 8 you will get extra benefit of hales free shutdown your computer. You can simply make shutdown button shortcut using a very simple code. Create shutdown button shortcut icon in your desktop or in your start screen. You can also try this process for windows 8.1 and windows 10.
At first right click in your desktop then New > shortcut (Click) , then you will get a window here you will get a field for type , then type the command “shutdown /s /t 0” (last one is zero, not “o”). Then click the next button here give file name. Shutdown is appropriate name, you can use another name. And click finish button.
Now you can change Icon. For change it right click into shutdown shortcut file and go to properties and click on change icon option then appear a dialog box click on ok. Then browse where icon location and select anyone from here. Finish by ok click.
In the mean time if you want to put that shortcut icon into start screen, then right click on shortcut file then click, pint to start. Then you will get shutdown icon in the start screen.