iTunes is a free application for Mac and PC. It plays all your digital music and video. It syncs content to your iPod, iPhone, and Apple TV. And it's an entertainment superstore that stays open 24/
- Organize your music into playlists
- Edit file information
- Record compact discs
- Copy files to an iPod or other digital audio player
- Purchase music and videos on the Internet through the built-in iTunes store
- Run a visualizer to display graphical effects in time to the music
- Encode music into a number of different audio formats.
About iTunes 10.5.3:
iTunes 10.5.3 allows you to sync interactive iBooks textbooks to your iPad. These Multi-Touch textbooks are available for purchase from the iTunes Store on your Mac or from the iBookstore included with iBooks 2 on your iPad.
iBooks textbooks are created with iBooks Author — now available as a free download on the Mac App Store.
For information on the security content of this update, please visit: support.apple.com/kb/HT1222