The latest version of Apple's operating system is now available to download for the Apple iPhone and iPad.

Apple iOS 5 is the version that will launch on the iPhone 4S, but those with older versions of the iPhone or an iPad can update right now to the latest in operating system technology. Although Siri is exclusive to the iPhone 4S users still get a vast array of improvements when installing iOS 5. 

Standout improvements include a new "Notification Center" which enables you to keep up-to-date with all notifications such as texts, friend requests, emails and much more all in one place. In addition iMessage is now available which is Apple's instant messaging client that enables you to chat and send files in a similar way to Blackberry Messenger.

iCloud has been integrated across the new operating system making it possible to take automatic backup and store your files on the "Cloud". The beauty of such a system is that you always have the latest version of your files across all your Apple devices.

Twitter has also been integrated into iOS 5 making it easy to Tweet from the Browser, Photos, Camera, Maps or Youtube. The camera software has also been improved with new gestures and the ability to get to your camera right from the lock-screen.

You can download Apple iOS 5 by connecting your mobile to your PC or Mac right now.Supported devices include the iPhone 3GS, iPhone 4, Apple iPad, iPad 2 and iPod Touch 3G and 4G.