Press green flag to clear. After pressing flag wait 1 second. Drag the ornaments to the tree, then press the appropiate key to place. Same with the star. To put lights on the tree, put your mouse where you want one end to be, press 5, then move your mouse to where you want the other end to be. Wait until lights are strung. Press 1 for blue ball, 2 for red ball, 3 for green ball, and 4 for yellow ball. 6 for star. Print your tree if you want to!