RTGI requires access to the game’s 3D depth data to calculate light paths.
Download the standard pack of shaders (SweetFX, Quint, etc.) when prompted. Step 2: Add the RTGI 0.36.1 Files Extract your downloaded RTGI 0.36.1 zip folder. Copy the Shaders and Textures folders from the zip archive.
If you browse Reshade repositories, you’ll see many versions of shaders. So, why is 0361 often cited as a "sweet spot" by enthusiasts?