QuickTime Player 7 is another media player by Apple for Microsoft Windows. QuickTime 7 supports all operating systems including Windows 7, Windows 8, Windows 10 and XP. QuickTime 7 has a wide range of playback support including MP3, MP4, AVI, HD and 4K. QuickTime Player 7 is available as free download, and if you want the full version then you will have to buy it from a store. Quick-Time Player 7