Borrowbox is a collection of over 2,000 e-books and 280 e-audiobooks that you can read or listen to on your smartphone, tablet, computer or MP3 player. You can borrow up to three e-book titles and three e-audiobook titles at a time for up to 21 days. You can also reserve titles that are on loan. You can access BorrowBox through an app on your Apple, Android, or Kindle Fire device or use a media player on your computer.
Once you have logged in to BorrowBox there is lots of information available on using BorrowBox on different devices in the HELP section which you will find at the top left hand side of the home page.
Information on how to set up borrowbox can be found here