Theme 100% supports WooCommerce plugin. Install and activate the WooCommerce plugin from WP.org repository: https://wordpress.org/plugins/woocommerce/
To setup the plugin go to WP Dashboard – WooCommerce – Settings
To setup WooCommrece display go to Customizer – WooCommerce
Envo Online Store PRO comes with dozen of options and features for WooCommerce (all available in Customizer – WooCommerce).
See product page – Envo Online Store PRO
See docs – Envo Online Store PRO documentation