If you want to end the search for illegal keys and actually work productively, follow this guide.
Understanding ProfiCAD License Keys: Activation and Management proficad license key
You can reuse your license key. If you run out of activations (e.g., you changed PCs 4 times), email the support team. They are human and will reset your activations. If you want to end the search for
Downloads from unauthorized site mirrors often contain hidden Trojan horses, spyware, or ransomware that can lock your files. you changed PCs 4 times)