How can i run auto cad 2006 in windows 7?

directly you can't run autocad 2006 in windows 7 but if you have installed xp than install autocad in windows xp. than log on to windows 7 than go to drive on which xp installed and after that find the exe file of autocad in progaramme file . now on the base of xp you can run the autocad in windows 7