Apple’s iTunes 9.2 for Windows and Mac has been released for users.
This version of iTunes 9.2 has support for iOS 4 which was released at WWDC 2010 and it is requirement for the new iPhone OS.

You may find iTunes 9.2 through software update or visit integrated link given below.

Note: For the users who are working with jailbroken devices they should not install iTunes 9.2 until further information.

Download iTunes 9.2 for Windows & Mac