We have to do it in two process, firstly we have to install WAMP server on the computer and then we have to install WordPress under that WAMP server installation. In the tutorial you have install WAMP server.
How to Install WAMP server in your Computer
To install WAMP server Go to the WAMP server website i-e www.wampserver.com and click Downloads. Here you find the latest version of WAMP server just download it and then Install it. Click next and then check Term of agreements and install it on default directly that might be your C:// drive. Click next and then install.
Depending on you computer it takes some time and when the installation is almost done WAMP will ask you what is the default browser. Firefox is better than other browser so install Firefox first and then chose it as a default browser for WAMP and next write you name and Email address and its finished.