You can go through the bugfixes in detail here. So installing this update will keep your system secure. As a regular user, the best practice is to keep your software up to date. ITunes 12.9.4 is the latest version of iTunes and it is a security release which fixes bugs and other issues in the software. You can easily merge or export contacts from your system to Apple device or can export contacts in a CSV file format, vCard format, Archive format, LDAP Data Interchange Format.Any audio file can be encoded into different formats via iTunes.iTunes has a visualizer when you play an audio file, it will show you all the visualization of files in a graphical mode.From its Store, you can easily purchase any music or video file of your choice.

iTunes has a media player which you can use to play any media files.iTunes makes you able to create different playlists and arrange your music and video files in separate categories for your ease.Import and export all your data from your Apple devices to other Apple devices, MAC, or Windows with iTunes.The Genius function lets users suggest and buy music similar to their taste. If you are an Apple device user like iPhone, your music library will synchronize across devices with iTunes. One of the greatest features of iTunes is the automatic synchronization feature.

Itunes setup 32 bit