System Requirements

For 32-bit AutoCAD 2009:

Intel® Pentium® 4 processor or AMD Athlon®, 2.2 GHz or greater
or
Intel or AMD Dual Core processor, 1.6 GHz or greater
Microsoft® Windows Vista™, Windows® XP SP2 operating systems
For Microsoft Windows XP SP2:

1 GB RAM
750 MB free disk space for installation
1024x768 VGA with true color
Microsoft® Internet Explorer® 6.0 (SP1 or higher) For Microsoft Windows Vista or 3D modeling:

Intel Pentium 4 processor or AMD Athlon, 3.0 GHz or greater
or
Intel or AMD Dual Core processor, 2.0 GHz or greater
2 GB RAM or greater
2 GB free hard disk available not including installation
1,280 x 1,024 32-bit color video display adapter (true color) 128 MB or greater, OpenGL®, or
Direct3D® capable workstation class graphics card. For Windows Vista, a Direct3D capable
workstation class graphics card with 128 MB or greater is required.