you will need to edit the php.ini file to enable the curl extension.
To find the php.ini file location on your system, create a new php page and add the following code:
<?php phpinfo(); ?>
save it to your site and name it phpinfo.php
browse to this file in your web browser to see information about your PHP installation. look for the Loaded Configuration File section, this will tell you the location of the php.ini file.
open that php.ini file, look for the following line:
and change it to:
after saving the php.ini file, you will need to restart the server.