The company no longer offers downloads for DIALux 4, including 4.3, strongly recommending the use of DIALux evo Windows Compatibility:
Do not download “DIALux 4.3 setup.exe” from third‑party file archives (e.g., oldversion.com, CNET) unless you scan for malware. The official DIAL website no longer offers 4.3. dialux 43
Use this for custom shapes, multiple rooms, or outdoor areas like parking lots. 2. Setting Up the Scene The company no longer offers downloads for DIALux
Despite the release of newer versions, some professionals prefer DIALux 4.3 for specific scenarios: dialux 43
: Integrated EN 12464-1 and ROVL/NPR 13201 norms for indoor and street lighting planning.