Autodesk AutoCAD 2013 x86

System Requirements For 32-Bit AutoCAD 2013

Microsoft® Windows® 7 Enterprise, Ultimate, Professional, or Home Premium (compare Windows 7 versions) or Microsoft® Windows® XP Professional or Home edition (SP3 or later)

For Windows 7: Intel® Pentium® 4 or AMD Athlon™ dual-core processor, 3.0 GHz or higher with SSE2 technology

For Windows XP: Pentium 4 or AMD Athlon dual-core processor, 1.6 GHz or higher with SSE2 technology

2 GB RAM (4 GB recommended)

6 GB free disk space for installation

1,024 x 768 display resolution with true color (1,600 x 1,050 with true color recommended)
Microsoft® Internet Explorer® 7.0 or later web browser

Install from download or DVD

Additional Requirements for 3D Modeling (All Configurations)

Pentium 4 or Athlon processor, 3 GHz or greater or Intel or AMD dual-core processor, 2 GHz or greater

4 GB RAM or more

6 GB hard disk space available in addition to free space required for installation

1,280 x 1,024 true color video display adapter 128 MB or greater, Pixel Shader 3.0 or greater, Microsoft® Direct3D®-capable workstation-class graphics card