could someone please help out a newbie

[eluser]oysterking[/eluser]
i am stuck !!! why can't my browser open the hello world blog.php page. i have reinstalled CI i did not change any settings in the app/config this time. i am getting file cannot be found !!!!

i guess i was supposed to install some kind of web server. the install directions never said yea or nea. i installed wamp. is that correct ?

this is what i called for in my address bar

http://localhost/codeigniter/codeigniter...s/blog.php

what do i not understand, please help me!!!!