iTunes 9.2 is available for download direct from Apple, or via Software Update on a Mac. It is a 101.99MB file for Mac OS X, 92.29MB for Windows 32-bit, and 92.99MB for Windows 64-bit.
Apple said Wednesday the update to iTunes includes the following features and fixes:
Sync with iPhone 4 to enjoy your favorite music, movies, TV shows, books and more on-the-go
Sync and read books with iPhone or iPod touch with iOS 4 and iBooks 1.1
Organize and sync PDF documents as books. Read PDFs with iBooks 1.1 on iPad and any iPhone or iPod touch with iOS 4
Organize your apps on your iOS 4 home screens into folders using iTunes
Faster back-ups while syncing an iPhone or iPod touch with iOS 4
Album artwork improvements make artwork appear more quickly when exploring your library
Word of iTunes 9.2 first arrived during Apple's Worldwide Developers Conference last week, when it was seeded to developers in a Golden Master form.
iOS 4 will ship on June 21 as a free update for the iPhone 3GS, iPhone 3G, and recent generations of the iPod touch. It will be followed on Thursday by the release of iPhone 4, also running iOS 4.