System RequirementsFor 32-bit AutoCADMicrosoft® Windows® XP Professional or Home edition (SP2 or later)Intel® Pentium® 4 or AMD Athlon® dual-core processor, 1.6 GHz or higher with SSE2 technology2 GB RAM 1 GB free disk space for installation1,024 x 768 VGA display with true colourMicrosoft® Internet Explorer® 7.0 or later Download and installation from DVD or CD-ROMor Microsoft® Windows Vista® (SP1 or later) including Enterprise, Business, Ultimate, or Home Premium edition (compare Windows Vista versions)Intel Pentium 4 or AMD Athlon dual-core processor, 3 GHz or higher with SSE2 technology2 GB RAM 1 GB free disk space for installation1,024 x 768 VGA display with true colourInternet Explorer 7.0 or later Download and installation from DVD or CD-ROM For 64-bit AutoCADWindows XP Professional x64 edition (SP2 or later) or Windows Vista (SP1 or later) including Enterprise, Business, Ultimate, or Home Premium edition (compare Windows Vista versions)AMD Athlon 64 with SSE2 technology, or AMD Opteron® processor with SSE2 technology, or Intel® Xeon® processor with Intel EM64T support and SSE2 technology, or Intel Pentium 4 with Intel EM64T support and SSE2 technology 2 GB RAM 1.5 GB free space for installation1,024 x 768 VGA display with true colourInternet Explorer 7.0 or later Download and installation from DVD or CD-ROM Additional Requirements for 3D Modelling (All Configurations) Intel Pentium 4 processor or AMD Athlon, 3 GHz or higher; Intel or AMD dual-core processor, 2 GHz or higher 2 GB RAM or greater 2 GB hard disk space available in addition to free space required for installation 1,280 x 1,024 32-bit colour video display adapter (true colour) 128 MB or greater, Microsoft® Direct3D® capable workstation class graphics card |