It's PRO version is the only extension for Word Press that allows encryption of the sold e Books, by putting passwords and watermarks / print protection to the PDF files for sale. All you need to do is upload a book with its cover's information and put a price on it.Once you do that you can copy paste the book embed code to place it inside the article.The pro version is capable of encrypting the ebooks upon download or email delivery. Here you can see how the encrypted PDF will look like.It contains QR code watermark with buyer info and watermark in the header with copyright data and buyer info again. page_id=577&ebook_key=d83b4c417b0869975a6a3648b1814391&action=thank_you e Book store now supports integration with Woo Commerce so you can add ebook store items to your Woo Commerce products and let customers download ebooks from the checkout complete page.
Also, there are many e-book formats that retain this information for reading books, and other literature on various mobile devices.
For example, if you have found in Internet a book in one of the known formats of e-books, which is not convenient for you, using a free online converter, you can easily convert it into a universal PDF format, which is readable on any device.