iTunes software version 10.6.3 is a media player, media library, and mobile device management application developed by Apple. It allows s to organize and play music, movies, TV shows, podcasts, and audiobooks on their computers or mobile devices. The software also includes the iTunes Store, where s can purchase and music, movies, TV shows, and more. Additionally, iTunes can be used to sync content between Apple devices, backup and restore data, and manage device settings.