$800 PC

Hello Everyone, I am planning to assemble a gaming PC, which I will be using for gaming, record, edit and convert videos, perhaps streaming as well but maybe in future. Apart from these I am not intend to use this for any other purposes. I will be playing FPS, Simulation etc. games on this. I...

I'm building a new PC and i was wondering if the windows 10 upgrade is stuck to your pc or you could keep your old system on windows 8 and upgrade to 10 on the new build? (A fools hope i know but i just want to be sure)