The LariLauncher displays, I press "PLAY" and get just a pure black screen for 1 second, then pure white screen using Vulkan, or just pure black using DX11.
Never see any text, logo, or anything. Total blank. Task Manager reports bg3.exe as running, but not using any CPU time.
Fails running from Steam and from desktop.
WIndows 7 64-bit system. I had to install .NET Core as part of the installation process, otherwise nothing significant happened during install.
Not impressed.