Apple has released a 64-bit version of iTunes to compliment the release of OS X Lion. The update allows iTunes to take advantage of 10.7′s full-screen feature and offers additionaly stability and performance improvements. Head on over to Software Update to download.
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.