First thing you want to do is close any applications you might be working on in order to save your work not that you are working because you are a Dumd Ass . Then with the mouse cursor go to the start menu and left click to activate the start menu dialog box .( SEE PIC BELOW )
HOW TO TUTORIALS
FLOUNDERZ HOW TO'S FOR DUMB ASSES !
COMPUTER HOW TO'S
HOW TO TURN OFF A COMPUTER
A COMPUTER
YOUR NOW FINISHED !
GO BACK TO MAIN PAGE
GO TO START MENU
GO TO TURN OFF COMPUTER
CLICK ON TURN OFF BUTTON
  Then once the start menu dialog box is open use your mouse cursor to select Turn Off Computer button .  
That will take you to the shutdown screen . ( SEE PIC BELOW )
  Then once you are at the shutdown screen use your mouse cursor to select Turn Off from the open dialog 
box by left clicking the button . Then your computer will activate the shutdown process .
( SEE PIC BELOW )