Sail boats have the mast straight up and down. But, this does not work for windsurfing because your body is in the way. You need to get out of the way so the mast can be placed in the right position
Look around to make sure you do not run into anyone. Beth is doing this in photo 1
Sail the easiest point of sail and this is cross wind. When the sail is perpendicular to the board the board is pointing cross wind. Look for a landmark to sail towards
Drop your back hand and step back with your heel over the center line and toes facing slightly forward. Beth is doing this in photo 3.
Bring the front foot back behind the mast by about 4 inches. Beth is doing this in photo 4 and 5
Bring the rig over into the wind so that it is balanced and will stay there by itself. Beth is doing this in photo 6.