First Step: get an 8.5x11 inch sheet of paper.
Second Step: fold the paper in half.
Third Step: unfold the piece of paper.
Fourth Step:fold the corners down as shown in the picture.
Fifth Step: fold both sides in following the picture.
Sixth Step: fold the paper airplane in half.
Seventh Step: fold down each of the wings.
Eighth Step: now you have the perfect paper airplane!
Video Tutorial: