what is Windows 7 Ultimate N and KN?

So I have this OEM disk of windows vista that I bought when it came out. I want to format a computer and install windows 7 64bit ultimate on it. How do I go about using my vista liscence key for that? Is it possible to do a key transfer or something? Microsoft's website is all about windows 8 and...

Can I upgrade from Windows ultimate 32bit ver 6.1 ( build 7600) to windows 7 ultimate 64bit edition and keep all of my installed programs and files ? :huh:

I am building a system and put windows 7 ultimate retail on it, but have not activated it yet. The computer is running perfect and i have already installed all drivers, software, etc... Can i somehow use the Ultimate OEM instead of retail without a clean install? Probably not needed to...

Is it possible to transfer the hold'em poker game files from windows vista ultimate to windows 7 ultimate ? If so how can I do that ? Can someone make a tutorial on that ?

Ok, Its either gotta be that Windows have may changes in the O/S for gaming or there just could be something wrong with my computer... I DON"T GET IT. First of all, I had windows vista, CPU over clocked playing all my games with out a drama, (steam, cs, tf2, l4d, COD4) the games started without...