Open your browser and navigate to the official DIALux website: www.dial.de . Avoid third-party download portals.
The website will automatically suggest the latest stable version. Ensure you select the Windows version (no native macOS version exists; Mac users need Boot Camp or a virtual machine). There is also an option to download additional content packages (luminaire data, textures, etc.) – it is recommended to get these as well. dialux evo download