Adds inline raytracing, giving developers more control over how rays are traversed through a scene, which improves performance over the original DXR 1.0.

Shader Model 6.5 requires the , which is baked into modern versions of Windows.

If a modern game requires Shader Model 6.5 and refuses to launch, use these official methods to update your environment safely. 1. Update Windows 10 or Windows 11

If you still wish to proceed with a community-built, patched version of SM 6.5 (specifically for Windows 7 or 8.1), follow this method using the open-source project. This is for educational purposes only.

You need a GPU that supports DirectX 12 Ultimate. This includes: NVIDIA: RTX 20-series, 30-series, 40-series, and newer. AMD: Radeon RX 6000-series, 7000-series, and newer.