How to get the focus into a window without raising it into the front on windows 8

On my linux Gnome-Desktop I had the focus moving with the mouse ( no clicking ) and also not
raising the window.

E.g. you have a console in the background  and a window in front and just to type something in
the console without raising it was a simple example I used often.

There is a trick for windows, with some registry editing:

see here: