DIALux Download
and product catalogues

DIALux evo 10.1
The worldwide standard in lighting design software
Design, calculate and visualize light for single rooms, whole buildings, streets, outdoor areas, emergency lighting and daylighting. DIALux is free and open.
Latest Version
5.10.1.58862 (2022-04-07)
Hardware requirements
CPU with SSE2-support 4 GB RAM (min. 2 GB), OpenGL 3.2 graphics card (1 GB RAM), Windows 8.1/10 (32/64 bit), resolution min. 1920 × 1080 px
Language support
Čeština, Dansk, Deutsch, Eesti, English (UK/US), Español, Français, Italiano, Magyar, Nederlands, Norsk, Polski, Português, Română, Slovenščina, Suomi, Svenska, Türkçe, Ελληνικά, русский, 한국어, 简体中文, 繁體中文, 日本語.
Product catalogues
We cooperate with all leading brands in the lighting industry. More than 190 luminaire manufacturers worldwide make their products available for lighting design in DIALux. Download their catalogues and use their products for your lighting design project. These are our DIALux members:
You are a luminaire manufacturer and want to make your products available in DIALux?
Get first information about the DIALux membership.