Understanding the Wind Window is critical for managing the power of the kite and your direction of travel. This is basic theory that your kitesurfing lessons will cover.
The Wind Window is defined relative to the rider. The Wind Window is the three dimensional region of sky downwind of the rider in which the kite can be flown.
Your kite is your engine. Research kite characteristics that will suit your style of riding and skill level and make your selection carefully. Don't buy a second hand kite that you know little or nothing about then attempt to use it. Some stores will push particular kite brands so it is worth shopping around to seek different opinion and kite options.
Wind Window