You need to install to all users.
After running 12 iOS Golden Master , Apple has released a new version of iTunes with an index of 12.9. In the new build of iTunes, Apple’s developers have implemented an important improvement is full support to iPhone, iPad and iPod touch running iOS 12. In addition, subscribers to the Apple Music service became available intelligent song search by text, a new page of artists and other innovations.
Went 12.9 iTunes — what’s new?
The main new feature of iTunes 12.9 is to implement full support for mobile devices running iOS 12. Anyone with an iPhone, iPad and iPod touch who want to install iOS 12 video September 17, we strongly recommend that a new version of iTunes. Only 12.9 iTunes sync functionality and backup will work correctly with iOS 12.
Also in iTunes 12.9 new opportunities for users of the music streaming service Apple Music. The update now has a “smart” search for songs in the text. To find songs, simply enter a few words from the text. The same option is implemented in iOS 12 in the Music app.
12.9 in iTunes, the Apple Music can quickly start a radio based on any artist. In the program there were pages of performers, which run the radio. In addition, 12.9 added iTunes world charts of different countries and playlists friends at Apple Music.
Install iTunes 12.9 now all users of PC and Mac.
Full official changelog of iTunes 12.9
In this update added support for iOS devices 12 and a new feature, available to subscribers of Apple Music, — search song by text. Even if You remember just a few words from the song enough to find it.
New — page artists. One click create your own station for music of any artist. In the updated program to browse the music catalog of the musician became more comfortable.
Music mixes friends. Now You have access to not only your own playlist, but the music listening to friends.
World charts. Listen 100 most popular songs from around the world.