Technique

First things first, keep it simple, swing the kite from one side to the centre, so the kite should lift you a bit, but not off into the sunset. This is to give you an idea of how the kite will move once you are off the floor, as in the air, the kite should be as much over your head as possible. Once going off the floor is easy, try getting the kite to about 40 degrees off the floor, then swinging it up, this should give you more lift, and the 'up' motion is vital, as otherwise, you just get dragged from side to side.

Once you 've got that mastered, here comes the real jump, when you take it out left or right, make sure the kite is powered a little, as you have to move it fast. Pull the kite (again, start high, then move the kite lower at the start to get more hight, start high or you 'll hurt yourself) across the window, swinging it upwards at the same time, when you start the pull, you should run towards the kite (if its on the left, run left, not directly towards the kite, thats pointless) and as it hits the middle of the window, it should be pulling up, depending on the power, you now have to jump. Most of this is timing, and it will take a while to get right, but it feels good when you do. When you get realy confident, run in the same direction, but diagonnally back wards, this will give more lift.