First you have to download all the required files which can be found here

If you are unable to start a website in IIS on your windows server and in the event viewer it is giving error on port 80 it means that another application is using port 80. In normal case scenario the other applications can be:

For Linux users use the following command fuser -n tcp 80 or use sudo lsof -i :22 or use lsof|grep 862 ypbind 1529 root 5u IPv4 4681 TCP *:862 For Windows Users use the following command netstat -a -b -o -n