Fatal error: Maximum execution time of 30 seconds exceeded

please i tried installing on my local server but got this error
Fatal error: Maximum execution time of 30 seconds exceeded in C:\xampp\htdocs\him\system\library\db\mysqli.php on line 18

Too many values to add that your virtual server may support. Import the SQL file from your install/opencart.sql into your PHPMyAdmin on your new Opencart database. This should resolve 99% of the problems. However, you still need to create a config.php and admin/config.php file to define your paths.

For your configuration files, followed is a post that may help you: viewtopic.php?f=199&t=198781&p=699560#p699560