If you are interested in selling a downloadable digital product and delivering it to your customers upon payment, you can achieve this effortlessly with a downloadable WooCommerce product.
Create a downloadable WooCommerce Product
First you need to create a downloadable WooCommerce product.
Complete Order
After the order has been fulfilled, the customer will be able to find a download button in their order confirmation email as well as in the order details within their account.
Backend Order Details
Customer Account Order Details