The term "Top" in the search query suggests users are looking for the "best" or "most stable" iteration of this portable software. The enduring popularity is driven by three factors:

While Autodesk 3ds Max 2009 Portable offers many benefits, there are also some disadvantages to consider:

The 2009 iteration brought several groundbreaking technologies that became industry standards: Reveal™ Rendering

The Legacy of Autodesk 3ds Max 2009 and the Myth of Portability

Legal and security considerations

Since 3ds Max 2009 is no longer supported and portable versions are high-risk, consider these official alternatives: 3ds Max Free Trial : Autodesk offers a free 30-day trial of the latest, most secure version of 3ds Max. 3ds Max Indie : For those on a budget, the Indie license