1 step: choose location:
ANALYZE -> LOCATION -> IMPORT SITE LOCATION
2 step: create masses:
MODEL -> CREATE MASS -> FINISH MASS
3 step: mass floors:
MODIFY -> MODIFY MASS -> MASS FLOOR
4 step: enable energy mode:
ANALYZE -> ENABLE ENERGY MODE
5 step: sun and shadows:
MANAGE -> SUN SETTINGS -> SUN PATH ON->SHADOWS ON