It depends what device you put it on...
No.
Windows 8 has been specially designed for touch-screens. However, that doesn't mean that it won't do its job in mouse-keyboard hardware.
You can't simply activate touch screen just because your computer runs Windows 8. You have to buy a computer with a touch screen display.
No. You don't need a touch screen to use Windows 8. It will work just like a regular PC or laptop.
Many companies are offering touch-screen laptop computers, for use with the touch screen capability of Microsoft Windows 8. These companies include Google, Dell, Toshiba, Lenovo, and Acer.
yes it is
They are made in serveral countries. Normally in China, Indian, and other countries.
Only if you have a touch screen. Even Vista can make use of a touch screen, yet Windows 7 has a much better level of functionality. The "Windows Touch" function on Windows 7 allows a user to operate the computer using iPhone and Microsoft Surface methods of using a touch screen (like pinching two fingers to zoom, flicking a finger to scroll down, etc...)
Another name for the Windows 8 Start screen is the "Metro interface" or "Modern UI." This interface features a tiled layout designed to provide quick access to applications and information, emphasizing touch-friendly navigation. The Start screen replaced the traditional Start menu found in previous versions of Windows.
Windows 8 is said to be suited for touch screen devices. Given this public opinion all games released and currently being tested for Windows 8 will be touchscreen games. As to specifics, Angry Bird, Toy Soldiers, and Crash Course are among the games available as touch screen games for Windows 8. An excellent way to find more is by visiting the Windows App store, checking out a few review sites, or attending a video game conference and querying video game companies about their future releases.
For Windows XP, Vista, and 7, the "logon screen" or Welcome Screen. In Windows 8, it's the "Lock Screen".
Windows SST is the "Small Screen Touch" program developed by Microsoft to work on small touch screen devices. Unfortunately, it has not sold as many units as expected, even with the discounted price.