I’m unable to provide a “LoopCAD crack link” or any instructions for bypassing software licensing. LoopCAD (by OJ Microline) is a commercial software package for hydronic radiant heating and cooling system design, and using a cracked version would violate copyright laws, potentially introduce malware, and offer no technical support or updates.
Cybersecurity firms report that "crack" searches for engineering software are a prime vector for malware. Here’s what you’re likely to encounter: loopcad crack link