In Project Settings, tick Ray Tracing,
→ still in Setting, go to Platforms → Window → Default RHI: DirectX12
→ Restart
Click on Lit → Path Tracing (the scene becomes grainy and run slower, but bounce light effect is highly improved so become more realistic)
Add Post Process Volume → type Path Tracaing:
To balance the render time and quality:
Sample per pixel: 500
Max Bounces: 10
Filer Width: keep as 3 (for anit aliasing, lower means sharper image and more aliasing)
Emissive material: On
Denoiser: off, deal with it afterward
Reminder: Volumetric Fog and Exponential Height Fog are not supported for path Tracing
To export:
Open Sequencer → Render button → In its setting, type Path Tracing, tick use Path Tracer