Please follow the steps:
1) Login into Prabhu Host clientarea ( https://www.prabhuhost.com/clientarea.php )
2) Click on “MY services” and click on “Active ” botton
3) You will find “Login to cpanel” on action bar of left-sidebar
4) Click on login to cpanel
5)After getting into Cpanel >>Find “Software” Section
6) After finding software you will see ” Softacalous App Installer” and click on that
7) Now will enter into the page showing different app and choose WordPress and fill the required info there and install ( Be aware of directory there willbe default “WP” directory so delete that directory if you want to install on your main domain i.e www.yourdomain.com not www.yourdomain.com/wp
8) Fill the all details on the installer page like username, password, email address in case you forget WordPress dashboard login details, and install the WordPress.
Now you did it.