Tile windows in Lubuntu

If you want to tile windows in Lubuntu you have to:a)download x-tile or which is a very nice and light solution

b) use the keys above:
 - Super (Windows key) + Left arrow = Send window to the left and set windows's width at 50%
 - Super (Windows key) + Right arrow = Send window to the right and set windows's width at 50%
 - Super (Windows key) + Up arrow = Send window up and set windows's height at 50%
 - Super (Windows key) + Down arrow = Send window down and set windows's height at 50%