1 computer, 2 projection, 2 different windows

Scenario: you have to present something, you have a monitor and a projection screen and you want them to project different thing, say on the projection screen will be the ppt presentation and on your monitor will be your Windows Explorer or word document pertaining to the same matter

What to do:
1. make necessary connection as usual
2. right click on the desktop
3. choose Graphics Properties
4. look for Multiple Display, choose Extended Desktop
5. for Primary device, choose your monitor
6. for Secondary Device, choose your projector
7. click apply

To undo (undur)
1. look for Single Display
2. choose your monitor preference