Activate tiling function in KDE 4.5

The tiling windows is something I've been in love. These environments where each fits one window and use all space on screen. While there are several environments that are ready for use as dwm, also you can reach this function in other settings, in this case explain how to get it in KDE 4.5

It's simple, go to following menus:

System Settings> Window Behavior> Window Behavior> Advanced> Enable Tiling