DIALux 4.13.0.2 is the final legacy version of the DIALux lighting design software before the developer, DIAL GmbH, fully transitioned to the more advanced DIALux evo platform. While the manufacturer no longer officially supports or provides direct downloads for this version, it remains in use for opening older projects or for users who prefer its specific interface for single-room calculations. Official Status and Availability
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. Dialux 4.13.0.2 Download
Project Migration: If you are downloading it to open old .dlx files, note that DIALux evo can import DIALux 4 indoor projects if you use the 32-bit version of the evo software. Dialux 4.13.0.2 install DIALux 4
Tips for working with legacy Dialux effectively Operating System: Windows 7 / 8 / 10
Specialized Calculation Modules: Unlike some newer software, DIALux 4.13 includes robust dedicated tools for emergency lighting (EN 1838) and sports lighting, making it easier to meet strict regulatory standards for those niches.
Community Posts: Users in the DIALux Community occasionally share archive links to rar files (e.g., via ddownload or WeTransfer), though these links may expire quickly. Important Considerations