Authotkey script for remapping windows (super) key to Shift+Alt+Space and windows key + h to minimize the current window, windows + move.

remap-win-key.ahk

; Remap windows key + h to minimize the current window
#h::
    WinMinimize A 
return

; Disable the keyboard layout switcher
Ctrl & Shift::
return

; Remap windows key to the launcher
<#LButton::return ; Do nothing if a left mouse button is clicked

LWin up::
If (A_PriorKey = "LWin") ; LWin was pressed alone
    Send, !{space}
return

; In this case its necessary to define a custom combination by using "&" or "<#" 
; to avoid that LWin loses its original function as a modifier key:

<#d:: Send #d  ; <# means LWin