1.Download PDF to DWG (AutoCAD Add-on) from http://www.overcad.com/download/ 2.Install PDF to AutoCAD converter,please make sure you have administration authority. 3.Open AutoCAD, the OverCAD register dialog will pop up. 4.Input your registration name and code. Then you can import PDF to AutoCAD. 5.Successful convert PDF to AutoCAD 6.If the OverCAD registration and menu is not appear, [...]