Plugin Integration WooCommerce Error

how do I install the plugin WooCommerce – eCommerce excelling?
after i tried to install:

Fatal error: Maximum execution time of 45 seconds exceeded in C: \ xampp \ htdocs \ Ikano \ wp-includes \ class-http.php on line 1453

contents:

private function stream_body ($ handle, $ data) {
    $ data_length = strlen ($ data);

please help me.. Thanks 🙂