Click the calculator icon to process the direct and indirect light reflections.
Unlike newer versions, the 4.13 architecture operates on a fast, lightweight engine. It uses a structured, wizard-based interface rather than a full 3D CAD environment. This makes it highly efficient for rapid calculations. Key Features and Capabilities
Possibly, if you downloaded from a suspicious site. Always scan the file with VirusTotal before running. Clean files should have a signature from DIAL GmbH. Fake versions may contain crypto-miners.
Major lighting brands offer dedicated Dialux plug-ins (often called catalogs). Downloading and installing these catalogs integrates their entire product inventory into your Dialux 4 database. Dialux 4.13.0.2 Download
As of 2025, DIAL GmbH has removed legacy installers from their public servers. However, some regional Dialux training centers may have local archives. If you have a login account from 2015 or earlier, check your "History" section.
A: Yes, DIALux has always been free software for users. This applies to both personal and commercial use, making it an incredibly valuable tool for professionals and students alike.
If you only need to calculate a single room, a basic warehouse, or a straight road, the setup takes a fraction of the time compared to building a full 3D architectural model in evo. Click the calculator icon to process the direct
If you are just getting into lighting design, it is highly recommended to explore the latest versions of (such as evo 13.2). While the classic DIALux 4.13 is fantastic for quick, individual room computations, DIALux evo allows you to design entire multistory buildings, work with complex floor plans, and integrate CAD environments all in a single workspace.
DIALux 4.13.0.2 is the final major update of the classic DIALux 4 generation. Developed by DIAL GmbH, it is a free, professional light planning software. It allows engineers and architects to calculate and visualize lighting infrastructure.
Unlike the newer "evo" version, DIALux 4.13 excels at emergency lighting and specialized outdoor projects like street lighting and sports fields , where its streamlined interface for these specific tasks is often preferred. This makes it highly efficient for rapid calculations
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It is a mature product, meaning it has fewer bugs than newer, rapidly developing software. How to Safely Perform a Dialux 4.13.0.2 Download
Are you having any during installation?