[ /k#ey_names ]  [ AutoHotKey.com/docs/KeyList.htm ]

with the the 2 numpad keys you can minimize and maximize the active window
NumpadSub::WinMinimize A
NumpadAdd::WinMaximize A

WInmaximize doesn't restore a previously minimized window

The 2 lines are the 30th + 31th last text lines if you intent to remove them

It doesn't depends on the numlock states on or off

Numlock ON                                                  Numlock OFF