Dialux 4.13.0.2 [top] Download «Updated»

You can still load standard luminaire data files ( .uld ), allowing you to import manufacturer-specific photometric data directly into your designs. Key Features and Capabilities

: Specialized sites like South-Eastern Electrics keep archives of older versions (4.6 through 4.13) for professional use. The Architect's Ghost: A Short Story

Since this software was designed for older Windows versions, you might encounter permission issues on Windows 10/11. Follow these tips for a smooth installation: Dialux 4.13.0.2 Download

: It maintains compatibility with thousands of luminaire catalogs from leading manufacturers, ensuring you can use real-world photometric data (.ies and .ldt files) for accurate simulations.

Even though the developer, DIAL GmbH, officially replaced it with DIALux evo You can still load standard luminaire data files (

If you need help finding for your specific region?

DIALux 4.13.0.2 is the final, highly refined iteration of the traditional DIALux software series. Unlike the modern "evo" platform which focuses on complete, photorealistic 3D room modeling, DIALux 4 was developed to work quickly with 2D floor plans, rapid space planning, and specific calculation areas (like street lighting or simple office layouts). Follow these tips for a smooth installation: :

A word of caution. While Dialux 4.13.0.2 itself is and legal to download from the official archive, you must verify your professional obligations:

If a manufacturer only provides individual file downloads, you can easily drag and drop .ies (North American standard) or .ldt (European standard) files directly into your open Dialux 4 project grid. Dialux 4.13.0.2 vs. Dialux evo: Which Should You Use?