In an effort to merge the best of the PC and the tablet, Microsoft Corp launched Windows 8 operating system that boasts a new user interface and a wide range of applications.

"We have reimagined Windows and the result is a stunning lineup of new PCs," said Microsoft CEO Steve Ballmer. "Windows 8 brings together the best of the PC and the tablet. It works perfect for work and play and it is alive with your world. Every one of our customers will find a PC that they will absolutely love."

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But there are few factors to be taken into consideration before upgrading to Windows 8.

Firstly, the operating system is best suited for touch-enabled gadgets; therefore, a regular PC might not be the best hardware to test the new Windows 8, according to Tech Radar. “Swiping across the Start screen, swiping in charms, pinching for semantic zoom, playing games; if you treat Windows 8 as a tablet OS, you get the fast and fluid experience Microsoft has been promising all along.”

Jakob Nielsen, a user interface expert at the Nielsen Norman Group, too points out that the new interface, which has been adapted for use by both touch and non-touch devises, is best suited for touch screens. The New York Times quoted him as saying that many users appeared to become confused when shifting back and forth between the modern Windows 8 mode and the desktop mode.

“I just think when it comes to the traditional customer base, the office computer user, they’re essentially being thrown under the bus,” Nielsen said.

Another hurdle pointed out by The Washington Post shows that to exit from a full-screen app, a user will have to drag it from top to all the way to the bottom of the screen. It “makes sense on a tablet but is cumbersome at best with a mouse.”

Also, multi-tasking might not be that easy a task with the new interface. Most of the apps function at best in full-screen mode and this might make working with a lot of windows and programs difficult, the Washington Post reported.