Official Microsoft Windows 8 Developer Preview Build is now available for downloading, apart from the major new changes the major-upgrade to Windows operating system has a lot on new smaller features and functionality. One of such cool new edition is the "Picture Login Feature" which allows users to login into their computers without typing any passwords and by simply using a picture of their choice, a video demonstration of this is posted below.

The wait is finally over as official .ISO DVD image file links for Microsoft Windows 8 Developer Preview Build is now available for public downloading (as posted at the end of this post), to get started with the new operating system user will require a minimum hardware specs of - 1 GHz or faster 32-bit (x86) or 64-bit (x64) processor, min. one Gigabyte RAM , 16 GB available hard disk space, DirectX 9 graphics device with WDDM 1.0 or higher driver.

A complete list of final major features and images with direct download links posted after the jump.

Microsoft has officially announced that their upcoming major operating-system release Microsoft Windows 8 will feature Windows Explorer with "ribbon" interface with sleuths of new features to improve basics of file-management including copy, move, rename, and delete operations.

To incorporate the new functionality and design Windows 8 dev-team took inspiration from existing explorer addons like TeraCopy, FastCopy and QTTabBar2, the dev-team designed the new Windows Explorer ribbon interface taking into consideration the fact that the top 10 commands represent 81.8% of total use via Windows usage telemetry data.

New Windows 8 Ribbon Interface

The team also improved the basic file-management across the platform with new features like the new unified interface to manage all jobs, ability to pause operations, accurate process completion time data, easier file-name conflict resolution and much more. New features images and de,o videos after the jump.

If you admired the awesome metro tile based Windows 8 user interface preview video here is some exciting stuff for you. Based on the popular desktop customization platform "Rainmeter" "Omnimo" is not just a theme, but a complete super cool looking Windows 8 Metro UI inspired multifunctional interactive desktop - complete with tons of plugins and customizations options.

This is not something you would like to skip without giving a try, download links with some more awesome desktop composition screenshots after the jump.

We have seen leaked images and downloads of Windows 8 OS but this time Microsoft has finally unveiled the very first video demonstration showing us what's in the store for upcoming major upgrade to Windows platform.

The video demos the next generation of Windows, internally code-named “Windows 8”. According to the official announcement the "Windows 8" based PC is really a new kind of device completely revamped from the chip to the user-interface, one that scales from touch-only small screens through to large screens, with or without a keyboard and mouse.

The demo shows the metro tile based user-interface for a new generation of touch-centric hardware. Fast, fluid and dynamic, the experience has been transformed while keeping the power, flexibility and connectivity of Windows intact - watch the full video after the jump.

While KMS Activator For Windows 8 allows users to not only bypass the time-bomb and activate Windows 8 but also unlock hidden features, there are few other tools available to get the job done.

"RedPill" was one of the very first tool allowing users to unlock hidden Windows 8 features but involved manual hacking, a better alternative "BluePill" is now available allowing easy Windows 8 activation and unlock. Want more, try "NoPill" yet another Windows 8 Activator and Unlocker supporting Automatic ownership and full control of files, genuine Windows 8 activation, Ribbon Explorer UI, Touch Pattern Login, Enable Full DWM (No blur on Aero), Immersive Browser, Modern Webcam (MoCam), Modern PDF Reader, Metro UI for Welcome OOBE, Login, Lockscreen and System Settings, Aero Auto Colorization and Theme Login Screen Image (buggy) unlocks.

As Windows 8 download leaked, new utilities and features are getting revealed every few days. This time a new video has surfaced demonstrating the pattern based logon screen as seen on android mobile platform, this sort of pattern based logon interface is certainly aimed at touch screen devices and will definitely come in handy.

While Microsoft is trying every bit to fight piracy by new innovations and contain wide-spread use of their work-in-progress Windows 8 leaked builds by implementing a 30 day time-bomb which makes these copies obsolete after that period, crackers have now came up with a new utility "KMS Activator For Windows 8" which allows users to remove the desktop watermark, 30 day timebomb and the WGA activation limitations in a single shot from the leaked Windows 8 copies.

The crack is also being actively developed adding new features like activation of hidden features in Windows 8 like RibbonUI, Modern Task Manager, PDF Reader and WebCam support.

Microsoft Windows 8 M1 Build 6.1.7850 got leaked for public downloading but if you don't want to mess-up with a pre-build version of the future OS and still want to see what's in here is a video demonstration of "Windows 8 Build 7955". The video shows the new logon process and the metro design language.

Finally, we have a leaked public download of "Windows 8 M1 Build 6.1.7850" - scheduled for release in 2012 the next major update to "Windows OS" will support system-on-a-chip (SoC) and mobile ARM processors. The very first public leak of the successor to "Windows 7 operating-system" has the following attributes :

Build Milestone : M1
Architecture : 32bits (x86)
Build MD5……..: EA2DCFADA6BBA517A0A0649D15E1EB3D
Build String: 6.1.7850.0.winmain_win8m1.100922-1508_x86fre_client-enterprise_en-us.iso
Total Size: 2.45 GB (2,637,101,056 bytes)

Torrents as well as links from file-hosters like Hotfile, Rapidshare, Megaupload, Duckupload are already available for leaked download of "6.1.7850.0.winmain_win8m1.100922-1508_x86fre_client-enterprise_en-us.iso" and more links will get public as the news spreads.