These files are notorious for harboring trojans or miners that activate once the software starts.
Forget it. "Archicad 15 Portable for Mac" does not exist. Apple’s transition from Intel to Apple Silicon (M1/M2/M3) broke all legacy 32-bit applications. Archicad 15 for Mac was 32-bit. It will not launch on any macOS beyond Catalina (10.15). Even with a portable wrapper, the kernel will reject the executable. Archicad 15 Portable
If you need access to Archicad but cannot afford a full commercial license, or if you need to work on older files, there are official, secure paths available. Graphisoft Educational Licenses These files are notorious for harboring trojans or