Prestashop Installation is pretty easy as the software installation in ur local system.
The requirements for the wamp installations are
Wamp Server in Windows
Lamp Server In Linux for the local installation
To host the prestashop in online means you need php hosting server
Lets move to the installation steps
Download Prestashop from Here
first step is to upload the downloaded prestashop file in the root folder in the wamp server if your doing installation in the local host
Then go to the prestashop folder in the localhost You Can get the screen below
Go next You get the screen Like this
Enter the database credentials in the above screen and click Next.
Now you get the screen to enter the shop details
Before login to BO just Delete the install Folder and Rename the admin Folder In the root directory of the prestashop
Go look at the site
Its simply Awesome!!!!!!!!!!!!!