Apple has just released a new update for iTunes, updating the version up to 10.4. This update brings performance improvements, Run in 64 bit under OS X lion and support Lion’s Full-Screen Application mode.
The update is available now via Software Update on your Mac, or through Apple’s iTunes download page online. From the release notes:
You can now use iTunes with OS X Lion’s new Full-Screen App capability, which allows you to use iTunes and other apps without distractions. Navigate between all your full-screen apps with a simple gesture.
Download it Now!