Power User Task Menu
The Power User Task Menu or Power User Menu was introduced with Windows 8 to give power user access to more advanced Windows features. Features include: Power Options, Event Viewer, System Properties, Device Manager, Disk Management, Computer Management, Command Prompt, Task Manager, Control Panel, File Explorer, Run and the Desktop.
To open the Power User Task Menu, move the mouse cursor to the very bottom left corner of the screen and right-click with your mouse. You can also press the Windows key + X on the keyboard. If done successfully, you should see the Power User Task Menu, as shown in the picture below.