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The charms bar:</div><div class="MsoNormal" style="line-height:normal;margin:0 0 10pt;">The start screen converted to a new vertical toolbar known as the charms bar.  You can access charms bar by using touchscreen, or pointing the cursor for accessing system and app-related functions to search, sharing, device management, settings etc. Apps : </div>Microsoft introduced a cross platform application architecture WinRT (Windows Runtime) in Windows 8 by that it is possible to develop application C++/CX  ( language based on C++) and the managed languages C# and VB.NET, as well as JavaScript. It also support development in WinRT applications natively support both the x86 and ARM (Advanced RISC Machine)  architectures, and also run inside a sandboxed environment to allow greater security and stability.
<div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Live syncing: </div><div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Windows 8 introduced online integration service with Microsoft’s online services.You can now log in through Windows Live ID.You can integrate with Xbox Live , Xbox-branded apps for games, music and video, and the SmartGlass app which can serve as a companion for content on a Xbox 360 video game console and  You can connect to a different social networks and services.</div><div class="MsoNormal" style="line-height:normal;margin:0 0 10pt;">The Windows Store :</div><div class="MsoNormal" style="line-height:normal;margin:0 0 10pt;">Using Microsoft ID Hotmail or Windows Live Messenger you can acquire the Metro-style apps in the store. Apps are well categorized into groups like Social, Entertainment, Photos, Music & Videos, Books and reference, News, Food, Shopping, and so on.</div><div class="MsoNormal" style="margin:0 0 10pt;">Smoother transition to Desktop :</div><div class="MsoNormal" style="margin:0 0 10pt;">You can switched from the Metro user interface to the traditional Windows desktop interface was pretty jarring. It was a showy sliding animation with a zooming out effect. The Consumer Preview makes the desktop and Metro interfaces feel more like a single operating system, with a simple fade to black transition and reappearance of the other guise. </div><div class="MsoNormal" style="margin:0 0 10pt;">Semantic Zoom
Windows 8 Metro Start screen to more easily see all your app tiles. Just pinch on the screen, and the tiles will not just shrink, but intelligently resize to remain useful. You can rename and move groups of app tiles around using this gesture, too, for better organization.</div>
<div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Authentication methods :</div><div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">New Authentication methods are introduced one is Picture password and another is IN log in. By using picture password users can log in by drawing three gestures in different places on a picture and PIN log in which allows users to authenticate using a four digit pin.</div><div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Windows to Go: </div><div class="MsoNormal" style="line-height:normal;margin:0 0 10pt;">Now it is possible to put your Windows environment on a USB thumb drive and take it with you for use on any PC compatible with Windows 7 or 8. IT can manage these Windows to Go images via Windows Server.</div>
<div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Windows Defender </div><div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Which has a anti-virus capabilities, similar to those of Microsoft Security Essentials. It is planned to replace the Security Essentials package and functions as the default anti-virus program.
Internet Explorer :
Internet Explorer 10 is included as both desktop programs and as a touch-optimized app.

</div>Hybrid Boot<div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">By using hibernation technology to allow faster startup times by saving the Windows core’s memory to the hard disk and reloading it upon boot.</div><div class="MsoNormal" style="background:white;line-height:20.4pt;margin:0 0 7.5pt;">Essential shortcuts:</div><ul type="square"><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows: Pressing just this key toggles among the Metro Start screen, the last-run Metro app, and the Windows 7 Desktop. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-C: Displays the charms bar. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-D: Launches the Windows 7 Desktop. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-E: Launches the Windows 7 Explorer. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-F: Opens the File Search pane. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-H: Opens the Share pane. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-I: Opens the Settings pane. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-K: Opens the Devices pane. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-L: Locks the PC. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 4.5pt;">Windows-Q: Opens the global search utility. </li><li class="MsoNormal" style="background:white;line-height:18.6pt;margin:0 0 10pt;">Windows-1, Windows-2, and Windows-3: Open the first, second, and third open apps on the Windows 7 taskbar, respectively. </li></ul>

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