1) Install XAMPP(https://www.apachefriends.org/index.html) if the xammp or apache server is not there
2) Open XAMPP
3) Start the Apache Server
4) Go the the Path where the XAMPP is installed.
5) Go to htdocs
6) Paste the files shared.
7) Go to the browser.
6) Open http://localhost/payme.php



Fatal error: Uncaught Error: Call to undefined function curl_init() 

IF the above error comes

1) Go to path where XAMPP is installed.
2) Go to PHP folder.
3) Open php.ini
4) enable extension=php_curl.dll
