A:AnswerIts not THAT bad, If your gonna maybe play games like need good screens and such as more, i wouldn't recommend it, but the display doesn't bother me a lot, Belive me it does sometimes but 95% of it, you'll enjoy playing.
A:AnswerWithout an issue, you should be able to run GTA on high settings and possibly very high, but you might get some frame drops. In that case, I’d buy another stick of RAM for dual channel and you should see a significant FPS boost
A:AnswerIt does not matter which brand you use as long as you match the speed of the RAM. As long as you have the NVMe solid state drive, the brand does not matter.
A:AnswerYes it has the second one, with one big exhaust in the back. It should work fine, but if not I’d suggest googling videos to help you use Ryzen controller to reduce temps. Buying a cooling pad will also help, and keeping it elevated. But even then with the Ryzen 5 4600H and GTX 1650 I don’t think thermals will be a huge issue