The easiest way to experience the UI without installation is through "simulators" hosted on platforms like Scratch or TurboWarp. These projects recreate the desktop, sounds, and basic apps:
The following report analyzes the concept of Windows NT 4.0 simulators, the current online emulation trend, and the significance of the operating system. windows nt 40 simulator hot
To give you a response, here are a few possibilities based on what you might be looking for: The easiest way to experience the UI without