AutoCAD is a system CAD (Computer Aided Design), the application of design software 2D and 3D and the elaboration, developed and sold by Autodesk, Inc. Initially sent at the end of 1982, AutoCAD he was one of the programs of first that are executed in personal computers, and in particular IBM PC. The majority of software of CAD at the moment ran in the graphics terminals connected to the computers mainframe or mini-computers. Requirements of the system The requirements of the system of 32-bits of AutoCAD: * Intel ® Pentium ® 4 to 2.2 recommended GHz * Microsoft ® Vista Windows ™, Windows ® XP Home and Professional (SP2), Windows ® 2000 (SP4) * 512 MB of ram * 750 MB of free space in disc for the installation of * VGA to 1024x768 with true color * Microsoft ® Internet Explorer ® 6,0 (SP1 or superior) Available in CD (Worldwide) and DVD (some countries and languages) Additional requirements of the system for 64-bit AutoCAD * Windows XP Professional x64 Edition and Windows Vista 64-bit * AMD64 or Intel EM64T * 1 GB of ram, 2 GB for Vista Windows of 64-bit * 750 MB of free space in disc for the installation of AutoCAD of 64-bit cannot be installed in a Windows of 32 bits of the operating system. The requirements of the system for Vista Windows or modeled 3D (32 and 64-bit AutoCAD) * Intel ® to 3.0 GHz or superior * 2 GB of ram or superior * 2 GB of free hard disk available do not include the installation * 1280 xs 1024 32-bit color video adapter of screen (True Color) 128 MB or superior, OpenGL ®, Direct3D ® or class of workstation compatible graphical card. * For Vista Windows, a class of able workstation Direct3D is required graphical card with 128 MB or superior.