Though touch keyboard on Windows 8 is for touch-screens, desktop users can play with it for some fun. You can activate it from the taskbar, right-click on taskbar from toolbars menu and select Touch keyboard.
Using touch keyboard
Just give your keyboard some rest, you can type on notepad or any documents by pressing keys on touch keyboard by using your Mouse. Another feature included is pen-UI, you can easily switch between touch keyboard to Pen UI, we can write on left hand screen on touch keyboard by writing with pen, your written text automatically converted and can be inserted into notepad by clicking insert button. You can edit this text by correcting it, delete and join letters and by splitting words. Click ? help for demo.