AutoCAD Plant 3D 2014 System Requirements

For 32-bit AutoCAD Plant 3D
Windows® 7 Enterprise, Ultimate, Professional, or Home Premium operating system
Intel® Pentium® 4 or AMD Athlon™ Dual Core processor with SSE2 technology, 3.0 GHz or higher
2 GB RAM minimum (4 GB recommended)
8 GB free disk space for installation
1,024 x 768 VGA display with true color (1,600 x 1,050 recommended)
Microsoft® Internet Explorer® 7 or later web browser
DVD-ROM drive
For 64-bit AutoCAD Plant 3D
Windows®  8 Standard, Enterprise, or Professional edition, or  Windows 7  Enterprise, Ultimate, Professional, or Home Premium edition  operating  system
AMD Athlon 64 or Opteron™ processor with SSE2  technology,  or Intel® Xeon® or Pentium 4 processor with Intel EM64T  support and  SSE2 technology
4 GB RAM minimum (8 GB recommended)
8 GB free disk space for installation
1,024 x 768 VGA display with true color (1,600 x 1,050 recommended)
Internet Explorer 7 or later web browser
DVD-ROM drive