iOS 5 is now available for download.

The iOS 5 was introduced by Steve Jobs on the Apple’s WWDC and was set to launch by this fall.
Mobile platform iOS 5 appeared  in seven test beta version for developers. Recall that  the second beta version iOS 5 was out on June 24,  third iOS 5 Beta on July 11,  the fourth beta version of iOS 5 on July 22,  fifth beta version of iOS 5 on August 6,  sixth beta version on August 19. The latest test system was the  iOS 5 beta 7 , which was released in early September. But the final and  the public version of iOS 5 has been released today.

You can update your iDevices by connecting to iTunes 10.5.
But if you are using jailbroken device, the untethered jailbreak is not available yet, so you need to wait until it’s available.

 The update has more around 200 new features. Out of which major features are:

    •    Notifications
◦    Swipe from the top of any screen to view notifications in one place with Notification Center
◦    New notifications appear briefly at the top of the screen
◦    View notifications from lock screen
◦    Slide the notification app icon to the right on the lock screen to go directly to the app
    •    iMessage
◦    Send and receive unlimited text, photo, and video messages with other iOS 5 users
◦    Track messages with delivery and read receipts
◦    Group messaging and secure encryption
◦    Works over cellular network and Wi-Fi*
    •    Newsstand
◦    Automatically organizes magazine and newspaper subscriptions on Home Screen
◦    Displays the cover of the latest issue
◦    Background downloads of new issues
    •    Reminders for managing to do lists
◦    Syncs with iCloud, iCal and Outlook
◦    Location-based reminders when you leave or arrive at a location for iPhone 4S and iPhone 4
•    Built-in support for Twitter
    ◦    Sign-in once in Settings and tweet directly from Camera, Photos, Maps, Safari and YouTube
◦    Add location to any tweet
◦    View twitter profile pictures and usernames in Contacts
    •    Camera improvements for devices with cameras
◦    Double click the home button when device is asleep to bring up a camera shortcut on iPhone 4S, iPhone 4, iPhone 3GS and iPod touch (4th generation)

◦    Volume Up button to take a picture
◦    Optional grid lines to line up shots
◦    Pinch to zoom in the preview screen
◦    Swipe to camera roll from preview screen
◦    Tap and hold to lock focus and exposure, iPad 2 and iPod touch (4th generation) only support exposure lock
•    Photo improvements for devices with cameras
◦    Crop and rotate
◦    Red eye removal
◦    One tap enhance
◦    Organize photos into albums
    •    Mail improvements
◦    Format text using bold, italic, or underlined fonts
◦    Indentation control
◦    Drag to rearrange names in address fields
◦    Flag messages
◦    Mass mark messages as flagged, read or unread
◦    Customize mail alert sounds
◦    S/MIME
•    Calendar improvements
◦    Year view on iPad and new Week view for iPhone and iPod touch
◦    Tap to create an event
◦    View and add event attachments
•    Game Center improvements
◦    Use personal photos for your Game Center account
◦    Compare your overall achievement scores with your friends
◦    Find new Game Center friends with friend recommendations and friends of friends
◦    Discover new games with custom game recommendations
•    AirPlay Mirroring for iPad 2 and iPhone 4S
•    Multitasking Gestures for iPad
◦    Use four or five fingers to pinch to the Home Screen
◦    Swipe up to reveal the multitasking bar
◦    Swipe left or right to switch between apps
•    On-device setup, activation and configuration with Setup Assistant
•    Software updates available over the air without tethering
•    iCloud support
◦    iTunes in the Cloud
◦    Photo Stream
◦    Documents in the Cloud
◦    Apps and Books automatic download and purchase history
◦    Backup
◦    Contacts, Calendar, and Mail
◦    Find My iPhone
•    Redesigned Music app for iPad
•    Hourly weather forecast
•    Real-time stock quotes
•    Wireless sync to iTunes
•    Keyboard improvements
◦    Split keyboard for iPad
◦    Improved autocorrection accuracy
◦    Improved Chinese and Japanese input
◦    New Emoji keyboard
◦    Personal dictionary for autocorrection
◦    Optionally create keyboard short cuts for frequently used words
    •    Accessibility improvements
◦    Option to light LED flash on incoming calls and alerts for iPhone 4S and iPhone 4
◦    Custom vibration patterns for incoming calls on iPhone
◦    New interface for using iOS with mobility-impairment input devices
◦    Option to speak a selection of text
◦    Custom element labeling for VoiceOver
•    Exchange ActiveSync improvements
◦    Wirelessly sync tasks
◦    Mark messages as flagged, read or unread
◦    Improved offline support
◦    Save a new contact from a GAL service
•    More than 1,500 new developer APIs
•    Bug fixes

Products compatible with this software update:
•    iPhone 4S
•    iPhone 4
•    iPhone 3GS
•    iPad 2
•    iPad
•    iPod touch (4th generation)
•    iPod touch (3rd generation)

 Direct links for the iOS 5 download (official)

Or you can try downloading iOS 5, right now via  iTunes 10.5 and enjoy all the new feature on your iDevices. if you have any problems in updating or you need any help, just leave a comment below.