Path tracing is expensive. Even with GFME optimizations, you cannot run this on a laptop from 2015. Here is a settings checklist for the All-Versions pack.
The specific file SEUS-PTGI-GFME-Shaders-All-Versions.zip operates as a "container" archive. Upon loading by the shader loader (OptiFine/Iris), the pack identifies the active rendering engine and injects the appropriate shader programs. File name- SEUS-PTGI-GFME-Shaders-All-Versions.zip
Even with the correct File name- SEUS-PTGI-GFME-Shaders-All-Versions.zip, you may encounter problems. Here are fixes: Path tracing is expensive