Hello,
Thanks for your purchase, however, please note that the template you purchased is not a WordPress Theme, it’s a HTML5/CSS3 template so this cannot be installed on WordPress.
You can find the WordPress version in this link:
http://themeforest.net/item/porto-responsive-wordpress-woocommerce-theme/9207399
If you purchase the WordPress version we can approve the refund for the HTML version.
All support related to payment and refund is run through Envato’s ticket service:
http://themeforest.net/refund_requests/new
In the refund request details please send us the purchase code from your purchase of Porto WordPress version.
Please let us know if we can help you with anything else.
Kind Regards,
Rodrigo.