DIALux 4.13.0.2: Essential Guide and Download Information DIALux 4.13.0.2 remains a foundational tool for many lighting professionals, even as the newer DIALux evo becomes the industry standard. While the developer, DIAL GmbH, no longer officially promotes or offers a direct download for this legacy version, it continues to be used for specialized tasks like sports lighting and emergency lighting calculations that may not yet be fully realized in newer versions. What is DIALux 4.13.0.2?
Contrary to popular belief, the official legacy download is still available—just hidden. Dialux 4.13.0.2 Download
.ies files from any manufacturer (Acuity, Cooper, Eaton). In Dialux 4, go to Luminaire > New > Import IES file.Why the loyalty? For complex indoor calculations, street lighting (STV), and quick CAD-based layouts, many argue that DIALux 4 is actually faster than evo. If you need to maintain old project archives or prefer the classic workflow, finding the legitimate download for version 4.13.0.2 can be tricky. DIALux 4
Unlike the modern, resource-heavy 3D engines, version 4.13 was built for efficiency on older hardware. It handles single-room calculations with a "no-nonsense" interface that some find faster than the modern, multi-story building approach of newer software. Where to Find It (Carefully) Because the Official DIALux Download Page only offers the latest version of DIALux evo Why the loyalty
Plugin Requirement: To use actual luminaires, you still need to download and install manufacturer-specific DIALux Plug-ins separately, as the base software only includes generic lighting data. Comparison: 4.13 vs. DIALux evo DIALux 4.13.0.2 DIALux evo Status Legacy / Outdated Active / Supported Project Scope Single room focused Entire buildings & outdoor scenes BIM Integration Yes (IFC support) Calculation Standard Latest international standards Support Community only Official manufacturer support
Outdated UI: The interface feels dated compared to modern 3D modeling software.