Game just gets stuck on a black screen at launch now not sure if that's just me

The game generally worked well until i came to level 4, which is this hotel like liminal space where you go down this stairway and see a shadow figure thing come out of a mirror or something. So I played the level but couldnt find the exit, so i watched a video on youtube of somebody playing and they just opened the door at the end of this level. Simple enough, but this ♥♥♥♥♥♥♥ door just wont open for me. I have tried like ten times restarting my pc and stuff like that but it just wont work. am sed. (sorr...

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3320143372

I want my game to look good, it looks good. But i keep seeing peoples game look better than mine? How do i fix this? i have a rtx 3090.

I just started playing this game a few days ago and I've been finding the first level (Josh's tape) to be nearly impossible. It seems that the hostile creature that appears when the lights turn red now destroys all the lights, leaving the player with the impossible task of having to deal with the situation in complete darkness. I watched an older playthrough on YouTube from about a year ago in which the lights stayed on even with the monster nearby, which gave the player a chance to escape. No wonder the m...