How to install Apache server with Postgres database on windows 7

I had to do it once.
I do not want to write the whole thing here to raise couple of votes.
For your ease just go this link and you will get all what you need to install Apache Server with PostgresSQL.
http://www.postgresql.org/download/

get the appserv package from this site http://www.appservnetwork.com/ after installing it, download postgresql from this site http://www.postgresql.org/download/ install it, and you are ready to go

Download and Install Bitnami WAPPStack. it contains Apache, PHP and PostgreSQL.