: DIALux 4.13 is considered technically outdated and may face compatibility issues with modern versions of Windows. Alternative Download Sources
While DIALux evo is the modern standard, version 4.13 is still sought after for several reasons: Older versions of DIALux (Windows) | Uptodown dialux 43 download link
Here is the critical truth:
Step 5 — Alternatives if you can’t find 4.3 : DIALux 4