Quote Originally Posted by Gamevet View Post
It's as easy as swapping out your video card.
Which requires disabling your card's drivers so they won't conflict, then opening your computer up, removing screws, putting the new card in, re-inserting the screws (including the screws for the computer case itself unless you leave it open), and installing the drivers for the new card, and then doing final tweaks to make sure they don't conflict with anything and are working perfectly.

Well actually, maybe nowadays the experience is more streamlined, but this is how I always remembered it working and its one reason I prefer building PCs with a specific intent rather than having them be modular.