Perquisite:
- Download and install xampp application into your machine from link: "http://www.apachefriends.org/en/xampp-windows.html"
- Download testlink from link "http://sourceforge.net/projects/testlink/files/" and put into xampp's htdocs directory.
- Extract downloaded zip file into xampp's htdocs directory.
- Start Xampp application and start “Apache” and “MySql” Server, your window look like below screen: