iOS 4 is now available for Download [Direct Links + Full Guide]

+Apple has finally released the much waited firmware iOS 4 for public, iOS 4 is available for iPhone 3GS and iPod Touch 3G with full features including Multitasking, But for iPhone 3G and iPod Touch 2G, some features are not supported.

Official Change Log:

This update contains over 100 new features, including the following:
- Multitasking support for third-party apps*
- Multitasking user interface to quickly move between apps
- Support for audio apps to play in the background
- VoIP apps can receive and maintain calls in the background or when device is asleep
- Apps can monitor location and take action while running in the background
- Alerts and messages can be pushed to apps using push and local notifications
- Apps can complete tasks in the background
- Folders to better organize and access apps
- Home screen Wallpaper*
- Mail improvements
- Unified inbox to view emails from all accounts in one place
- Fast inbox switching to quickly switch between different email accounts
- Threaded messages to view multiple emails from the same conversation
- Attachments can be opened with compatible third- party apps
- Search results can now be filed or deleted
- Option to select size of photo attachments
- Messages in the Outbox can be edited or deleted
- Support for iBooks and iBookstore (available from the App Store)
- Photo and Camera improvements
- 5x digital zoom when taking a photo**
- Tap to focus during video recording**
- Ability to sync Faces from iPhoto
- Geo-tagged photos appear on a map in Photos
- Ability to create and edit playlists on device
- Calendar invitations can be sent and accepted wirelessly with supported CalDAV servers
- Support for MobileMe calendar sharing
- Suggestions and recent searches appear during a web search
- Searchable SMS/MMS messages**
- Spotlight search can be continued on web and Wikipedia
- Enhanced location privacy
- New Location Services icon in the status bar
- Indication of which apps have requested your location in the last 24 hours
- Location Services can be toggled on or off for individual apps
- Automatic spellcheck
- Support for Bluetooth keyboards*
- iPod out to navigate music, podcasts and audiobooks through an iPod interface with compatible cars
- Support for iTunes gifting of apps
- Wireless notes syncing with IMAP-based mail accounts
- Persistent WiFi connection to receive push notifications*
- New setting for turning on/off cellular data only**
- Option to display the character count while composing new SMS/MMS**
- Visual Voicemail messages can be kept locally even if they have been deleted from the server**
- Control to lock portrait orientation*
- Audio playback controls for iPod and third-party audio apps*
- New languages, dictionaries and keyboards
- Accessibility enhancements*
- Bluetooth improvements
- Better data protection using the device passcode as an encryption key* (Requires full restore.)
- Support for third-party Mobile Device Management solutions
- Enables wireless distribution of enterprise applications
- Exchange Server 2010 compatibility
- Support for multiple Exchange ActiveSync accounts
- Support for Juniper Junos Pulse and Cisco AnyConnect SSL VPN apps (available from the App Store)
- More than 1,500 new developer APIs
- Bug fixes

If you don't know how to install it, then take a look for this Image:

We already expected the Release time today and it's same as we expected, below you can Download iOS 4 from Direct Links ...
Download iOS 4 for iPhone 3GS - iPhone2,1_4.0_8A293_Restore.ipsw
Download iOS 4 for iPhone 3G - iPhone2,1_3.0_8A293_Restore.ipsw
Download iOS 4 for iPod Touch 2G - iPod2,1_3.0_8A293_Restore.ipsw
Download iOS 4 for iPod Touch 3G - iPod3,1_3.0_8A293_Restore.ipsw
Download iOS 4 for iPhone 4G - iPhone3,1_3.0_8A293_Restore.ipsw

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