Dialux 4.13.0.2 Download _best_ Now
You can find shared installation links directly from community experts on the DIALux Support Forum .
It is important to note that DIALux 4.13 is a program. This means it can be downloaded and used without any licensing fees, a policy that has contributed significantly to its widespread adoption among students, independent designers, and large engineering firms alike. According to DIALux's official policies, the software is free for all users, including for commercial use, a rarity in the professional software world.
The software provides precise calculations for illuminance ( ), luminance ( ), and glare ratings ( UGRcap U cap G cap R
He imported the old .dwg floor plans, and suddenly, the cathedral rose in wireframe on his screen. He began placing luminaires—virtual lanterns in a virtual void. With every click, he remembered the specific shadows he had wanted to cast against the limestone arches ten years ago. Dialux 4.13.0.2 Download
By default, the software installs to C:\Program Files (x86)\DIALux . It is highly recommended to keep this default path, as many older manufacturer luminaire plugins (ULD files) look specifically for this directory structure. Step 4: Complete and Launch
OpenGL-compliant graphics card with at least 128 MB VRAM.
At least 2 GB (4 GB recommended for larger 3D visualization files). You can find shared installation links directly from
For standard rectangular rooms and simple outdoor scenes, Dialux 4 calculates lighting levels (illuminance, glare, UGR) significantly faster than Dialux evo. On older laptops, the speed difference can be 5x.
You might wonder why professionals don’t simply upgrade to Dialux Evo (versions 9, 10, or 11 as of 2025). Here are the top reasons:
is a "must-have" legacy tool for professional lighting designers. While you should use DIALux evo for complex architectural visualizations and indoor buildings, DIALux 4.13 remains the superior, faster choice for roadway lighting and emergency exits . It is a reliable, free alternative to expensive suites like AutoCAD Electrical or Revit MEP for pure lighting calculations DIALux Alternatives . According to DIALux's official policies, the software is
DIALux 4.13.0.2 handles both interior and exterior lighting projects with equal proficiency. You can design lighting for office spaces, retail environments, residential rooms, industrial facilities, street lighting, sports fields, and even emergency lighting scenarios. The software supports a wide range of calculation standards, including EN 12464-1 for indoor lighting.
Approximately 300 MB of free space for the core installation. Step-by-Step Installation Guide
DIALux 4.13 excels at street lighting projects. The software can calculate lighting for various road configurations, including one-way and two-way roads, curved roads, bridges, underpasses, and mixed-use roads. It supports the CIE 115 standard for road lighting calculations.
DIALux evo is strongly recommended as the successor to DIALux 4. It offers many more functions, a more convenient interface, and uses the latest technology. DIALux 4 is technically outdated and was limited to single rooms, making it unsuitable for contemporary BIM workflows.