The demand for proves an important lesson: Software bloat is real. Millions of professional drawings were created with this exact tool, and it remains capable today. By following the compatibility guides and respecting the legal boundaries (use your own old license if you have one), you can resurrect one of Autodesk's finest editions.
If you need "portable" CAD today, Autodesk has moved toward cloud-based and lightweight solutions: AutoCAD Web autocad 2000 portable
Summary