If you haven't already, download the base ReShade application. This will act as the foundation for adding shaders.
Week 2:
: Make sure to download the latest version of ReShade from a trusted source (which is the official website) to avoid any malware. reshade rtgi 033 download better
Subscribe to the required tier on the Pascal Gilcher Patreon. If you haven't already, download the base ReShade
The official RTGI shader is a "early access" tool. You can obtain it by subscribing to Pascal Gilcher's Patreon If you haven't already