For the Win64 version, the following are the recommended specifications for stable performance: : Windows 7/8/8.1 64-bit. : At least is required for general work, though is recommended for large assemblies. : A workstation-class card with at least VRAM (Direct3D 10 or higher). Disk Space : Approximately for the application itself. Workstation Specialists Ltd The "Portable" Version Risks
To download and install Autodesk Inventor 2015 Portable Win64 Full, follow these steps: autodesk inventor 2015 portable win64 full