To get RTGI running, you generally need to be a supporter of Pascal Gilcher’s Patreon, as this is a premium shader. Once you have the files:
Developer ergonomics and community
The shader by Pascal Gilcher (Marty McFly) is a popular ReShade plugin that adds software-based ray tracing to older games. Version 0.17.0.2 is a specific release that focused on stability and compatibility with newer versions of ReShade. rtgi 0.17.0.2
The refinement of version numbers (from 0.16 to 0.17.0.2) suggests that Pascal Gilcher is moving toward a "1.0" release. This update focuses on . The addition of a robust temporal solution means the developer is likely working on integrating RTGI with DLSS/FSR 2.0 frameworks in future versions. To get RTGI running, you generally need to