Versions labeled as "portable" are typically unofficial repackages designed to run without a standard installation. Autodesk 3ds Max System Requirements for Cloud Hosting
2 GB minimum; 4 GB to 8 GB recommended for complex scenes. autodesk 3ds max 2012 portable with vray 20 2011 eng full
Enhanced tools for texture mapping, making it easier to manage complex geometry. autodesk 3ds max 2012 portable with vray 20 2011 eng full
V-Ray 2.0 was a landmark release from Chaos Group that brought interactive rendering to the forefront: autodesk 3ds max 2012 portable with vray 20 2011 eng full
Direct3D 9/10 or OpenGL-compatible card with at least 512 MB VRAM. Disk Space: Approximately 3 GB for the core installation. A Note on "Portable" Versions
Windows XP (SP2+), Windows Vista, or Windows 7 (both 32-bit and 64-bit supported).