1) Close WAMP (if running)
2) Goto WAMP>bin>php>(your version of php)
3) edit php.ini
4) Search for curl, uncomment extension=php_curl.dll
5) Goto WAMP>bin>Apache>(your version of apache)>bin
6) edit php.ini
7) Search for curl, uncomment extension=php_curl.dll
8 ) Save both
9) Restart WAMP