Consider enrolling in training courses offered by the KNX Association or certified training centers. These courses often include access to the software and provide valuable insights into KNX system design and ETS5 usage.

Some software tools offer demo versions that, while limited, can give users a feel for the software's capabilities.

Cracking or using software like ETS5 without a valid license is a significant issue. Software cracking refers to the act of circumventing or removing the protection mechanisms that prevent unauthorized use of software.