Official simulators receive regular updates for new hardware. A crack is a "frozen" version that won't support modern devices.

. These can track your keystrokes, steal passwords, or compromise your entire local network. System Instability

Instead of risking your system or professional reputation, there are powerful official, free alternatives

has a demo mode that allows you to create small projects (up to 5 devices) for free, which is perfect for learning and testing with KNX Virtual. Professional Training Tools KNX Simulator