The latest iTunes update, which is aimed at Mac users on the latest OS X, throws in some performance improvements.

Apple releases iTunes 11.1.2 to support OS X Mavericks

Apple rolled out a new version of iTunes designed to handle OS X Mavericks.
Released late Tuesday, iTunes 11.1.2 lists its major feature as support for Mavericks. Unveiled by Apple at its iPad launch event, Mavericks offers a host of new and improved features and apps and is free for all Mac OS X users.
iTunes 11.1.2 also adds support for those speaking Arabic and Hebrew languages and offers unspecified improvements in performance and stability.
Mac and Windows users can install the latest Apple music service by checking for updates directly in iTunes or downloading it from Apple's iTunes Web site.

Download File Here