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Download DIALux

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.

Download DIALux evo  DIALux FAQ ›

Latest Version (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.

We cooperate with all leading brands in the lighting industry. Download their catalogues to use the products in DIALux.

You can support DIALux by using products and data from DIALux members. Learn more here.

You want to become a DIALux member?
Get more information about the DIALux membership.