I has one boss who wanted to stream 2 4K60 cctv feeds to his laptop while in the office. Needless to say his laptop struggles with a single 4K I didn't even bother setting up the second feed.
The launchers are pretty lightweight and don't consume much. It is just annoying to buy the game on one store, it launches another store, only to launch a game launcher, then you can pick r̶̶e̶̶d̶̶,̶̶ ̶̶g̶̶r̶̶e̶̶e̶̶n̶̶̶,̶̶ ̶̶o̶̶r̶̶ ̶̶b̶̶l̶̶u̶̶e̶ I mean ME 1 2 or 3