Autodesk Navisworks Free Freedom Portable Official
Students and educators can get a 1-year license for the full Navisworks Manage for free via the Autodesk Education Community.
If you have access to a PC where you can install software once: autodesk navisworks free freedom portable
You download a 300MB RAR file, extract it to a USB stick, run an .exe, and suddenly you have clash detection on a coffee shop Wi-Fi. Students and educators can get a 1-year license