http://www.ziddu.com/download/16651064/SIMATIC_NET_2006_V64.part1.rar.html
http://www.ziddu.com/download/16652130/SIMATIC_NET_2006_V64.part2.rar.html
http://www.ziddu.com/download/16653768/SIMATIC_NET_2006_V64.part3.rar.html
http://www.ziddu.com/download/16656175/SIMATIC_NET_2006_V64.part4.rar.html