Double-click the downloaded setup file. Accept any Windows User Account Control (UAC) prompts.
To set up a modern smart home or commercial building using the globally recognized KNX standard, you must download the . Managed exclusively by the KNX Association , ETS6 is the essential, manufacturer-independent utility used to plan, design, and configure more than 8,000 certified smart devices.
After launching ETS6 for the first time, take these quick steps to set up your workflow:
In the ETS environment, the "Download" button is the moment of truth. After hours of drag-and-drop configuration—assigning Group Addresses to lights, defining logic for heating sensors, and setting scenes—the engineer connects their computer to the KNX bus line. Ets6 Knx Download
For installation issues, ETS creates detailed log files in %TEMP% :
ETS6 has evolved significantly since its launch in 2021, with a strong focus on improving workflow efficiency, performance, and security. The latest major release, , introduces several game-changing features.
Version 6.4.0 (released February 25, 2026) brings several powerful new features designed to make your daily KNX projects more efficient. Double-click the downloaded setup file
Open your web browser and navigate to my.knx.org.
What are you working on (residential, commercial, or learning)?
When you first download and open ETS6, it runs in by default. To unlock higher device capacities, you must acquire a license. The KNX Association offers several tiers depending on your needs. License Tier Max Devices per Project Approximate Cost ETS6 Demo Up to 5 devices Testing, evaluation, and learning ETS6 Lite Up to 20 devices Small residential setups, smart apartments ETS6 Home Up to 64 devices Single residential homes (one project only) ETS6 Pro Professional integrators, commercial buildings How to Save Money on Your License Managed exclusively by the KNX Association , ETS6
💡 : If your system is still running Windows 10, you must upgrade to Windows 11 to remain compatible and secure. This is particularly important as you must download Microsoft’s Windows 11 Installation Assistant to perform the upgrade.
When an engineer searches for "ETS6 KNX download," they are usually looking for the installer executable from the official KNX webshop. However, within the context of the software itself, the term "download" has a second, more technical meaning: the act of programming the devices.
💡 If you are new to the ecosystem, successfully finishing the interactive training courses available on the KNX eCampus platform will grant you a complimentary ETS6 Lite license valid for three months. ETS6 software installation - KNX Association