Click the (a small smartphone symbol) that appears in the top-left area of the iTunes window. Configure Sync Settings : In the left-hand sidebar, under "Settings," click on Books . Check the box for Sync Books .
Choose to sync or only Selected books that you just added. Finalize the Transfer : Click the Apply or Sync button in the bottom-right corner.
Once the process finishes, open the app on your mobile device to find your titles. Modern Alternative: Using Finder (macOS Catalina and later)
Click on in the top-left corner and select Add File to Library... (or press Ctrl+O ). Navigate to your book files, select them, and click Open . Connect Your Device :
Downloading and syncing books to your iPhone or iPad via iTunes (or Finder on newer macOS versions) is a straightforward process that allows you to manage your library from a computer. While Apple has largely shifted local media management to the and Finder apps on Mac, Windows users still utilize iTunes for this purpose. How to Download and Sync Books via iTunes (Windows)