iOS 5 download ready? Get iTunes 10.5 first!

Apple's mobile operating system, iOS 5, is about to be released in a matter of hours.

iOS 5 has 200 new features which include the Notification Center, Newsstand, Reminders, built-in Twitter, iMessages, Multitasking Gestures for iPad, PC Free and a whole lot more.

iOS 5 is compatible with iPhone 3GS, iPhone 4, iPod touch 3rd generation, iPod touch 4th generation, iPad and iPad 2. Other features can be viewed here.

Before you can download iOS 5 though, you'll need the iTunes 10.5 software so your installation will go smoothly. The full version is available for download here.