Good point Rog!
Throwing the hood over the frame will help keep the frame erected.
Before and after fastening the windscreen studs, make sure that the individual frame hoops are not touching the clear panels or caught across a seam. You should see evidence of where it should sit on the frame hoops.
This all sounds overly complicated but it isn't really. Rather like telling someone how to open and close a car door for the first time - don't get clothes, fingers and seatbelt trapped, close firmly, don't slam, etc, etc, etc.
