Installing is easier than expected. Only copying some files, start the game, thats all.
And it works like a charm.

https://www.notion.so/beastsaber/VHVR-Valheim-VR-Mod-Guide-d71c3bb046004a049ab5786aaba10bb0

Only issue for me is the ingame resolution. The resolution only affects the UI and should be set to 1920x1080 to be scaled correctly. Otherwise the UI works fine but is too far away.

My problem is that the resolution sometimes jumps back to my normal res (3840x1600) and when I set it back I have to do it twice. Otherwise the hitboxes for the UI elements are dislocated (can't click an item then)

Maybe someone has a solution for this problem?