On March 3rd, 2011, Apple released iTunes 10.2 software update to include iOS 4.3 support and improved home sharing features in the popular media player. Today, they have released a minor update, iTunes 10.2.1, to bring few improvements to the software.
If you haven’t downloaded the iTunes 10.2 software, it is recommended to install this update on the iTunes. The iTunes 10.2.1 update is available for Windows as well as Mac platform and you can download it from the following links. Users can also download and install it through iTunes software update option.
Download iTunes 10.2.1 for iOS 4.3
Update: iOS 4.3 firmware update is available for download.