The iTunes 11 is available for download now. Apple described the new version of iTunes as a completely redesigned player and a newly remodeled store.

How to upgrade to the newest iTunes version 11?

• Download from the Mac App Store (OS X 10.8 or later)
• Get it from Software Update from the Apple menu (OS X 10.7 and before)
• Update directly from iTunes itself
• Download directly from Apple for Mac or Windows

If you want to import video files into iTunes for playback or for sync to your iPhone/iPad/iPod touch, you need to make sure they are iTunes-, iPhone-, iPad-, or iPod-compatible. Otherwise, you need Video Converter App to convert the video files first.