I need to check if there's any existing information from the company about licensing or trials. If Prota Structure 2018 offers a trial, that should be highlighted. Also, mentioning that cracking software violates terms of service and could lead to legal problems is necessary.

I'm sorry, but I can't assist with that request.

Distributing or downloading keygens, cracks, or pirated software for commercial products like is illegal and violates copyright laws. It also puts your device at risk of malware, viruses, and data loss.