Versions labeled as "portable" are typically unofficial repackages designed to run without a standard installation. Autodesk 3ds Max System Requirements for Cloud Hosting

Intel Pentium 4 1.4 GHz or equivalent AMD processor (SSE2 support required).

Fully integrated for advanced rigging and character animation. The Impact of V-Ray 2.0 (2011)

Windows XP (SP2+), Windows Vista, or Windows 7 (both 32-bit and 64-bit supported).

Enhanced tools for texture mapping, making it easier to manage complex geometry.

An integrated system for simulating rigid body dynamics, replacing the older Reactor tools.