Steps to install the PostgreSQL on windows
You can get the PostGreSQL installable from the http://www.postgresql.org/download/ site.
In the below step setup will create the super user PostGres for the database and service account.
Un-check the stack builder if you don’t want to download any additional tools.
PostgreSQL is an object-relational database management system (ORDBMS) based on POSTGRES, Version 4.2, developed at the University of California at Berkeley Computer Science Department. PostgreSQL is open source database system which supports all the below features.
Also, PostgreSQL can be extended by the user in many ways, for example by adding new
PostgreSQL can be used, modified, and distributed by anyone free of charge for any purpose, be it private, commercial, or academic