The Unreal Engine 4 demo showcasing DirectX 11 with intense particle effects looks breathtaking. It's essential to install the included Microsoft Visual C++ Redist Runtimes before running the demo. The settings can be adjusted using the provided batch file to customize resolution or other parameters.
Additionally, you mentioned that the latest version of UE4 now offers support for DirectX 12, which is a significant advancement although still under development. DirectX 12 is known for its performance improvements and efficiency, making it a promising technology for upcoming games and applications.
Have fun exploring the possibilities of Unreal Engine 4 with DirectX 11 and consider experimenting with DirectX 12 capabilities once it's further developed. The demo is sure to showcase the engine's potential and provide a glimpse into the future of gaming graphics and effects.