ITunes is a free application for Windows and Mac. And plays all your digital music and video. TV content are synchronized to the iPod, iPhone and Apple. And it's entertainment shop that stays open 24 / 7.iTunes is the best way to organize and enjoy your music, movies and TV shows that you have already - and shopping for want. You can even listen for the Liberation of radio stations Radio with iTunes. ITunes running on a Mac, PC, iPad, iPhone, iPod and Apple TV.