DIALux evo 8.2 is a professional lighting design software. You can download it directly from official sources like the DIALux website . The software operates on a freemium model:
Using luminaires from over 450 "DIALux Members" is free of charge. dialux evo 82 free
DIALux evo is a professional, worldwide standard lighting design software that remains free of charge DIALux evo 8
maintain archives of older files for hardware compatibility, the official developer (DIAL GmbH) has transitioned all users to newer versions for continued service and ID login support. Free vs. Paid Free Version DIALux evo is a professional, worldwide standard lighting
Refined behavior for importing IFC, JPEG, and SAT models, including the ability to rescale imported image plans. Is it Truly Free?
Introduced "Room Planning" to replace simple rectangular room templates, allowing for any room shape to be drawn directly into the CAD.