1. Log in to Apple official website to download itunes, install it and open it.
2. Click "Menu" at the top of the interface to add files to the database. Add the specified e-book file to the itunes library:
3. Click "Books", and then you can see that the books you added are in the project:
4. Connect the equipment to the computer with a data cable; Then click the Books tab and select Synchronize Books:
Wait for the synchronization to end.
5. Run the reader "ibooks" and select the e-book file. At this point, you can find the synchronized e-books in the list: