When you hit download, you actually have three options. All are downloaded from the same portal, but the licence type unlocks different features.
💡 KNX offers a fully functional 6-week trial of ETS6 Professional. No credit card required. Ideal for learning or testing. Ets6 Knx Download
If you are upgrading from an older version, ETS6 introduces several efficiency tools: ETS6 software installation - KNX Association When you hit download, you actually have three options
After installation, launch ETS6. You will see an activation screen. Here is how to proceed: When you hit download
For the latest version and direct download link, always refer to: (official KNX Association portal).