These commands are about the same in Windows 8, 8.1 & 10.
The only difference the Win key in 8 and 8.1 take you to the start screen. 

The same Windows Key + Letter commands that worked in Windows 8 and 8.1 work in Windows 10
WINDOW Key Commands WIN = Windows Key (between Ctrl & Alt keys)
WIN = Windows Start Menu
WIN+C = Side bar & time & date
WIN+D = Switching desktops, start screen, desktop
WIN+F = Opens file search
WIN+H = Share from your desktop
WIN+I = Computer settings, fast access to shutdown or sleep
WIN+L = Instant to Windows 10 lock screen
WIN+P = Screen setting for multiple screens
WIN+Q = Brings up Windows 10 app's and app search
WIN+R = Windows 10 run command (also under WIN+X)
WIN+U = Windows 10 Ease of Access
WIN+W = Windows 10 Settings
WIN+X = Bottom left list of programs
This post was edited by beastusa at January 25, 2019 3:09 AM PST