Are you referring to this page https://demo.theme4press.com/alora/woocommerce/
If yes, you need to install and activate the Theme4Press Core Plugin.
Then go to your WordPress admin -> Add page -> Visual Editor
Find the button with a number 4 on it.
Please see screenshot. http://prntscr.com/7yp0kg
Click on that button and you can select the shortcode.
Please see screenshot. http://prntscr.com/7yp0lj