The biggest cause of failure Windows 8 that, It was not friendly to the user desktop. Given this error in Windows 8 Microsoft has been decided that Windows 9 will be designed in such a way that the user feels exactly like Windows 7 or previous operating system was used. A public preview of Windows 9 will be released by year’s end. The Incoming operating system supports three different moods, like Tablet, Desktop and Mobile. Which of them will even install it on the device, it will work accordingly.[adsense]It will start to work recognize mouse and keyboard with the desktop mode, and also it will works with Touch screen, tablet and laptop mode. Now so successful experience in Windows 9? It will be known later. But, of course, Microsoft’s efforts will bring necessary change. Possibly Windows 9 will be free for Windows 7 SP1 and Windows 8.1 users.