After purchasing the template, You'll get detailed documentation and examples from. ( documentation > ajax-contact-form )
Note: You have to setup your own email address for email receiving. As a default it is addyour@emailhere and it is located in the assets/libs/quform/.php files on line 42 and 62. (apply-job.php, book-appointment.php, contact.php, newsletter.php, request-demo.php). For more details please refer the documentation. Make sure It will not work in local sytem or localhost, It will work when your site goes live.