Depending on your project size, the free Demo might not be enough. Here is how the different tiers compare: License Type Device Limit Learning the interface and basics. ETS6 Lite 20 devices Small apartments or focused study. ETS6 Home 64 devices Private homeowners with a single project. ETS6 Professional Commercial installers and complex buildings. Insider Ways to Get "Paid" Versions for Free
If you are looking to download ETS, it is highly recommended that you do so directly from the official KNX Association website. Here is why avoiding "cracked" versions is crucial: knx ets software free download