Hi tntd,

Thanks for screenshot and appreciate your patience.

2. The demo is using Custom Single Product layout, which built with WoodMart WooCommerce builder. Navigate to Layouts > Layout to edit Single product layout Mega electronics layout or you can edit directly here https://prnt.sc/65L26DTa2jhn

You can read more here https://xtemos.com/docs-topic/woodmart-woocommerce-layout-builder/

4. Navigate to Dashboard > Pages and find Delivery & Return page and edit page content via Elementor https://prnt.sc/P4zZgbr8vkKU

Regards,