Let’s be realistic.
No longer receives major feature updates or new geometry tools. Dialux 4.13.0.2 Download
: Supports verification of international and regional standards for illuminance and uniformity. Let’s be realistic
DIALux 4.13.0.2 Download: The Essential Guide for Lighting Designers isolate installation if necessary
Final practical note If your goal is to open and edit existing Dialux 4 projects or to use a specific toolset you already know, Dialux 4.13.0.2 can still be useful — but treat it as legacy software: validate download sources, isolate installation if necessary, and plan to migrate to a current toolchain for long-term workflows.
Because of this, downloading version 4.13.0.2 requires looking for archived sources.