Where I can set more video memory?

[Premoz1]

So I got this problem, that pubg would crash when joining to game. I set all the settings to lowest possible, and this time I got into the game. I set them to medium after that and pressed apply, instant crash. I launched it again and it said "join back to the match?" and I pressed yes. I played on the medium settings for 10 seconds, then it had error code that was something like this "Out of video memory. Try to lower settings or shut down programs in the backround. Quitting..." And I have this program called openhardwaremonitor. Its locked to 2000mb of video memory, and I have rx580 8gb. So how can I make it to 8000mb? 

[faziten]

the thing is... you cant.

You cant directly control how much video memory something uses. It will use what it needs to use. Try other game with more than 2000MB vRAM usage. It might be a PUGB thing.