This tutorial shows how to add Notepad tile to start screen in windows 8 using mouse
STEPS
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1) Type Notepad
2) Right-click Notepad
3) Click Pin to Start
4) Click on the empty space (to hide the search bar)
5) Scroll to the end
6) The Notepad tile will be available at the end of start screen.
7) Click and drag the tile to any place on start screen