Just skip it. You'll be fine.
I'm gonna try out Horizon Zero Dawn tonight. Got a copy 'gifted' to me...So why not. I watched a buddy play it back in the day on PS4 and it looked entertaining. I'll give it a go with keyboard first, and see if it plays OK or if I should switch to controller.
Agree with Sagath. I haven't felt lost so far and I would say I played < 20 hrs I think of DOS1.
About Horizon Zero Dawn, the same YouTube review guy I've posted a few times liked the game better on PC and said it played much better with a keyboard and mouse. He still had general overall issues with the game, but he did have fun and given the PC version includes everything he thumbed it up. I'm tempted mostly because the concept and world seem interesting. I'll wait for sale though. Gifted is an excellent price