To understand why a portable version of Inventor cannot exist, you must understand how Autodesk Inventor is architected.
: Autodesk does not offer a standalone "portable" or "zip" version of Inventor. The software is designed as a desktop application that requires deep integration with Windows registry keys and specific system drivers. Installation Requirements portable autodesk inventor
You may encounter "Portable Inventor" downloads on torrent or "warez" sites. Using these carries significant risks: Security Vulnerabilities To understand why a portable version of Inventor