The document provides an introduction to AutoCAD software. It discusses that AutoCAD is 2D and 3D modeling software developed by Autodesk. It then covers the different versions of AutoCAD released since 1982. It also describes the AutoCAD screen, basic commands, how AutoCAD works using a coordinate system, various tools like draw, modify and dimension toolbars. Finally, it briefly introduces SolidWorks 3D modeling software.