You'll want to make sure to grab an i7 with at least 32GB of ram
This.
OP, if you don't know much. You could always just buy a Mac, because they never break and are virus free. They always have NVidia integrated cards, which are super cool and mine very well. If you don't want to build a PC, you could buy a Mac. They are going on sale this Summer for just two easy payments of an arm and a leg.