title: how to change port of wamp server and how to create first application
body: <p>i have just instsalled wamp server but when i'm trying to access localhost it is not accessible I think it is problem with the port because wamp uses port 80 by default.
  and after that i want to create a dynamic website i've never used php in past so i want to know how to get satarted ...
  thanks </p>
  
  <p>I have tried in another system . I installed wamp and saw that localhost is accesible there but when i connected to the internet by modem wamp server stop working . I am totally confused about this port setting . I have unplugged lan cable from my laptop and restated the system then tried even it is not working .. i have changed httpd.conf file but it doesn't helps me </p>