Just format your HDD and start over. You will still need a Windows disk either it's Win XP or Windows 7. Of course you have to pay for licence or just download it form torrent if you don't care about piracy.
Nope. You'll need to buy a copy of Windows 7 if you want it.
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.