Pin-up houses. WordPress WooCommerce website

The website sells plans for small houses for children. The plans include full documentation on materials, construction methods, and recommendations for interior design, there is a free and paid version of products. It was necessary to implement the functionality so that the same product could have different statuses and track its sale. The online store sells a document, so it was necessary to implement the functionality to protect the resale of intellectual property. What was solved with embedding license keys.