Dialux has long been a staple for lighting designers, architects, electrical engineers and facilities planners who need a free, capable tool to simulate, visualize and document lighting schemes. Version 4.13.0.2 is an older release in the Dialux 4 family; writing about it today means balancing historical context, practical use, and safe guidance for getting the software and working with it.
What this column covers
What Dialux 4.13.0.2 is (and who it’s for) Dialux 4.13.0.2 is a release from the Dialux 4 series — a line of lighting design and calculation software widely used before Dialux evo became the company’s modern platform. Dialux 4.x is a Windows-native application that performs photometric calculations, renders visualizations, and lets you produce reports for interior and exterior lighting projects.
It’s useful if you:
Why you might (or might not) use this version today Pros
Cons / cautions
Finding and downloading Dialux 4.13.0.2 safely Important safety notes:
How to proceed (practical steps)
Key features and workflows in Dialux 4.x
Typical workflow
Tips for working with legacy Dialux effectively
Troubleshooting & compatibility notes
Alternatives and migration
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.
If you’d like, I can:
While DIALux 4.13.0.2 is an older, officially discontinued version of the lighting design software, you can still find it through community-maintained links and archive sites. Download & Compatibility
The official developer, DIAL GmbH, now focuses primarily on DIALux evo, which is the modern industry standard. If you specifically need version 4.13.0.2 for legacy projects or older hardware, you can find it on third-party repositories:
Community Links: Users in the DIALux Community often share direct links to the setup files.
Third-Party Mirrors: Sites like UpdateStar and Filerox host legacy versions, though you should always scan these files for safety.
Engineering Blogs: 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
Eli sat in the dim glow of his studio, the only light coming from a flickering monitor. On the screen was a project he hadn’t touched in a decade—a cathedral restoration that had been stalled by red tape and forgotten budgets. Now, the city wanted it finished by morning.
He tried to open the files in his modern software, but the geometry broke, the light fixtures vanished into digital dust. "Too new," he muttered. The latest version didn't understand the language of his younger self.
He reached into the depths of a dusty hard drive and found it: DIALux 4.13.0.2.
As the progress bar crawled across the screen, Eli felt like he was performing a digital seance. When the interface finally flickered to life, it wasn’t just a tool; it was a time machine. The icons were blocky, the menus simpler, but the calculations were honest.
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 3:00 AM, he hit "Calculate." The software groaned, its older engine whirring through the radiosity of a thousand points of light. When the render finished, the screen erupted in a warm, amber glow. The cathedral wasn't just lit; it was alive.
Eli leaned back, the blue light of the monitor reflecting in his eyes. The new world might have moved on to sleeker tools, but tonight, an old ghost had helped him finish the job. 13 interface?
You're looking for information on downloading Dialux 4.13.0.2. Dialux is a software tool used for lighting design and calculations. Here's what I found:
Dialux evo 4.13.0.2
The version you're looking for seems to be an older version of Dialux evo, a software by ERCO. I couldn't find an official download link for this specific version, as the company might have removed it from their website.
However, I can guide you on where to look for it:
Newer Alternatives
If you're looking for a more recent version of Dialux or similar software, you can explore:
Please ensure you have the necessary licenses or permissions to use the software, and be cautious when downloading from third-party sources to avoid any security risks.
DIALux 4.13.0.2 is the final major version of the "classic" DIALux software platform, released by DIAL GmbH as a specialized tool for professional lighting design. While the company has transitioned focus to its newer platform, DIALux evo, version 4.13 remains available for specific legacy tasks. Download Options
Official Source: The most reliable way to obtain older versions is through the official DIALux Download Center. They typically provide the setup files for DIALux 4.13 alongside the newer evo versions.
Third-Party Repositories: While various Google Drive links and software mirrors exist (e.g., Google Drive Mirror), it is highly recommended to use the official website to avoid malware or corrupted setup files. Key Technical Details Dialux 4
License: The software is free of charge for personal, educational, and commercial use.
Architecture: DIALux 4.13 is a 32-bit application. This is critical for users of the 64-bit DIALux evo who need to import old projects; the 32-bit version must often be installed to act as a bridge for legacy file conversion.
Legacy Support: It is primarily used today for emergency lighting and sports lighting calculations that may not be fully supported in earlier versions of evo, or for maintaining older project files (.dlx). Workflow & Compatibility
Importing Assets: You can import various luminaire formats (such as .uld, .ldt, and .ies) via the File > Import > Luminaire File menu.
3D Models: The software supports importing 3D objects in formats like .3ds, which can be saved directly into your object catalog for use in lighting scenes.
Interoperability: If you are moving to the newer platform, you can open DIALux 4 projects in DIALux evo by navigating to the program files and utilizing the 32-bit version as a background importer. Dialux 4.13.0.2 Download LINK - Google Drive 📂 Dialux 4.13. 0.2 Download LINK - Google Drive. Google Docs How to open a DIALux 4 project in DIALux evo
DIALux 4.13.0.2 is the final legacy version of the DIALux lighting design software. While DIAL GmbH (the developer) has officially discontinued support and removed it from their official download page in favor of DIALux evo , it remains popular for specific tasks like sports lighting emergency lighting
calculations that some feel are handled more simply in the older version. 1. Where to Download
Since the official site no longer hosts it, you must use third-party repositories or community links. Community Links : Users often share Google Drive links within the DIALux Community forums Software Repositories : Sites like UpdateStar
maintain archived versions of the installer (approx. 528 MB). DIALux Community 2. Installation Steps DIALux 4.13 For Windows | Download 25 Mar 2026 —
Q: I can't save files on Windows 10.
A: This is usually a permission issue. Do not install Dialux 4 in the C:\Program Files folder. Instead, install it in a custom folder like C:\Dialux4 or on your D drive to avoid Windows security restrictions on writing files.
Q: The luminaire search doesn't work.
A: The built-in search function inside Dialux 4 relies on older web protocols that may be blocked. The workaround is to download the .ldt (EULUMDAT) files from manufacturer websites and import them manually using File > Import > Luminaire. What Dialux 4
A word of caution. While Dialux 4.13.0.2 itself is freeware and legal to download from the official archive, you must verify your professional obligations:
.exe file (usually approx. 350MB - 500MB) containing all data.