r.D3D12.DXR.MinimumWindowsBuildVersion
VarUnreal Engine Var console variable.
rD3D12DXRMinimumWindowsBuildVersion
Description
Sets the minimum Windows build version required to enable ray tracing.
Usage
r.D3D12.DXR.MinimumWindowsBuildVersion [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

