The file size is approximately 1.2 GB. Once downloaded, run the .exe file as administrator. Accept the license agreement (read it—it confirms the free usage rights).
Dialux Evo 8.2 is a version of DIALux Evo, a professional lighting design and calculation application used for interior and exterior lighting planning, visualisation, and photometric calculations. It lets lighting designers, architects, and engineers model rooms, streets, façades, and outdoor areas; import building geometry from CAD/BIM; place luminaires; run illuminance/luminance and uniformity calculations; generate renderings and technical reports; and export data for production or BIM workflows.
DiaLUX Evo is useless without luminaires. Use the integrated Plugin Manager to download IES files from brands like Philips, Osram, Zumtobel, and Eaton. These are free and updated monthly.
Press the Calculate button (lightning bolt icon). For a simple room, the calculation takes less than 10 seconds. For complex scenes with thousands of objects, it may take several minutes.
Go to Output > Print Report. DiaLUX Evo automatically creates a professional PDF with pseudocolor renderings, false-color scales, and energy consumption tables.
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Rating: 8.5/10 (The best value in the lighting industry, docked points only for hardware heaviness).
In the free version, the "Documentation" mode is where you compile your "draft paper" or final reports.
Customizing the Report: You can include or exclude various elements such as: Cover Page: Change the layout and project information. Luminaire List: A detailed breakdown of all fixtures used.
Calculation Results: Room summaries, illuminance grids, and UGR (Unified Glare Rating) tables.
Visuals: 3D renderings, false-color displays, and room summaries.
Exporting: Once your documentation is organized, you can save it as a PDF or export selected pages. Starting Your "Draft" Layout
If you are starting from scratch, the "draft" of your project usually begins with importing architectural plans:
CAD/DWG Import: You can import DWG/DXF files to serve as the base layer for your 3D construction.
Image Import: You can also use image files (JPG/PNG) as a draft plan, though you must manually set the scale by measuring a known distance in the image. Version Note
DIALux evo is currently beyond version 10. If you are specifically looking for an older "8.2" variant, it is recommended to download the latest free version from the official DIALux website to ensure compatibility with modern 64-bit systems and the latest manufacturer luminaire catalogs. 16 - DIALux evo FREE Course : DOCUMENTATION
DIALux evo 8.2 remains the industry standard for professional lighting calculation, and the fact that it is free is remarkable. Version 8.2 is not a revolutionary overhaul, but rather a stability and workflow update. If you are an electrical engineer, lighting designer, or architect, this software is an essential tool, though it comes with a steep learning curve.
Navigate to the official DIAL website: www.dial.de (or www.dialux.com). Avoid third-party download sites like CNET, Softonic, or FileHippo, as they may bundle adware.