Windows key + Left: docks current window to the left side of the screen.
Windows key + Right: docks current window to the right side of the screen.
Windows key + Up: maximizes and/or restores foreground window.
Windows key + Down: minimizes active window.
If you press Windows LOGO + 1,2,3..... THEN you can open the applications on the task bar without using mouse.That is if you press 1 ,you can open the first application in the task bar and with windows logo key +2 you can open the second and so on.
To run a program as an Administrator, it’s now as easy as holding CTRL + SHIFT when you open the application.