If you are trying to activate an installation that is nearing the end of the 30day "trial" period your computer will provide a link. Click on the Windows emblem at the lower left corner of your screen, select control panel from the start menu. In control panel (catagory view) select "System and Security" then choose "System" At the bottom of the system page on an activated system it will say that windows is actuvated if it is there will be clickable blue text to "Change product key", on an UN-activated system there will be clickable text to activate windows.
In the process of activation if activation fails (invalid code or you have no code) it will give you an option to buy a product key online. AD.
The amount charged is for the Key. You don't pay any extra for getting the OS along with the Key.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.