How to update the game?

I cannot update the game, or atleast I don't know how to.
My current version is 0.16
I'm on a low-end computer if that matters. I lowered my graphics and everything works fine.
But I'm still on 0.16, and I want to update to 0.22

 

This should help you out
https://documentation.beamng.com/getting_started/updating_the_game/

 

Thanks a lot