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With improved IFC (Industry Foundation Classes) support, Archicad 15 strengthened the "open BIM" approach, making it easier to collaborate with engineers and consultants using other CAD applications. Pros and Cons of Using a Portable Version Archicad 15 Portable
However, relying on a version from an unofficial source is risky. If you need a lightweight BIM solution, consider using Archicad Solo or the Educational version provided by Graphisoft. They offer the stability, security, and full library support that a portable "crack" simply cannot match. I can guide you to the safest, legal solution for your needs