Opening VR Electric Dream demo

I am trying to open Electric dream demo in VR from https://www.artstation.com/marketplace/p/2aAnj/unreal-engine-5-2-electric-dreams-vr-demo-read-description

i downloaded and add plugins for DLSS but it seems that it want other verion of UE, but i open it with CURRENT - 5.2.1 and it asks me to rebuild and faild at it. why i have that bug