AI assistants: read machine/START.md. Human readers: open START-HERE.html. The guide and shipped demonstration work offline without installing software. Actual new measurements require an available Python 3 runtime, not third-party packages.
Begin with scripts/stylo_explore.py --demo. It does not require reference books, a registry or built profiles. See machine/SETUP.md for exact invocations and error recovery.
The optional reference catalog is a list of sources to fetch, not installed books or ready-made profiles. Full profiling is separate and documented in machine/modules/profiles.md.