Microsoft Thursday launched Windows 8, the latest version of its operating system, a version it hopes will be modern enough to keep existing users and draw new ones to it.

Steven Sinofsky, president of Windows and Windows Live, kicked off the event in New York City by saying that Microsoft is celebrating the global availability of Windows 8 on Thursday. Sinofsky revealed that Windows 7, the prior version of Microsoft’s desktop operating system, has sold more than 670 million licenses.Windows 8 uses Windows 7 as its foundation and it has undergone more than 1,240,000,000 hours of testing.
With Windows 8, “seeing, touching, clicking, and swiping is really believing,” Microsoft CEO Steve Ballmer says. “Welcome to the world of Windows 8.”

During the event, Microsoft also made its first hardware debut by launching its long awaited Windows Surface tablet. Surface tablet is Microsoft’s first computer in its 37-year history and hopes the sleek new device will take on Apple and Google in the smartphone and tablet market.
Microsoft Surface features a pre-installed version of 2013, and rich video and music services. Windows RT is a new version of Windows that will be pre-installed on its Surface tablet and other devices using low-power chips designed by ARM Holdings Plc.
Windows is also selling a magnetically attached cover for Surface that works as a notebook-size keyboard. Surface comes with a 10.6-inch screen and resolution of 1,366×768 pixels. It runs on a 1.3GHz Nvidia Tegra 3 CPU. It comes in both 32GB and 64GB variants. Its microSD card slot supports up to 128GB cards, and the tablet includes 2GB of RAM. It has 802.11 a/b/g/n Wi-Fi support, Bluetooth 4.0, a gyroscope, an accelerometer, and a built-in compass.
Microsoft Surface sports a Micro-HDMI port, a full USB 2.0 port, and a power port that magnetically attaches the power cable. The 32GB starting version of Windows Surface will cost USD 499.
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