You can't
"Roof windows are windows in the roof, such as, skylights or pivot-type windows. They allow sunlight into a room and create a feeling of expansiveness."
do grants cover windows and roof
skylights
Velux roof windows are widely available from building supplies companies. For example Velux windows can be bought from Screwfix, Wickes and Ken's Yard.
Skylights
Pillars Hipped roof Fanlight Sash windows Roof Balustrade
the floor and the roof but not the floor
jump on the windows when the lights are not on. if you touch a light you will be zapped and fall down. climb to the top of the building and cut the bars using your laser pen.
"The cost of installing roof windows can vary so greatly. It can be dependent on manufacturer, size and how many windows you choose to install. Also it can depend greatly on whom you choose for installation. Their costs for labor can vary."
no they had no windows or doors they got in through the roof so attacers cant kills them
They are commonly called dorma windows
on the roof