You said it yourself: " it can be enabled by running the editor with the -D3D12 parameter on Win 10"
Just create a shortcut on your desktop or somewhere else and edit the link by adding the -D3D12 part.
You said it yourself: " it can be enabled by running the editor with the -D3D12 parameter on Win 10"
Just create a shortcut on your desktop or somewhere else and edit the link by adding the -D3D12 part.