note 113291 added to curl.requirements

I was running google API. I have installed wamp package in system. But when i was trying to access google api, It shows an error!! "Google PHP API Client requires the CURL PHP extension" what should i do. ---- Server IP: 69.147.83.199 Probable Submitter: 123.63.112.139 ---- Manual Page -- http://php.net/manual/en/curl.requirements.php Edit -- https://master.php.net/note/edit/113291 Del: integrated -- https://master.php.net/note/delete/113291/integrated Del: useless -- https://master.php.net/note/delete/113291/useless Del: bad code -- https://master.php.net/note/delete/113291/bad+code Del: spam -- https://master.php.net/note/delete/113291/spam Del: non-english -- https://master.php.net/note/delete/113291/non-english Del: in docs -- https://master.php.net/note/delete/113291/in+docs Del: other reasons-- https://master.php.net/note/delete/113291 Reject -- https://master.php.net/note/reject/113291 Search -- https://master.php.net/manage/user-notes.php