# Getting Started

> Overview, installation, and quick start guide for vchord_bm25 and pg_tokenizer.

---

LLMS index: [llms.txt](/llms.txt)

---

Get started with **`vchord_bm25`** in PostgreSQL:


  - [Overview](/bm25/getting-started/overview/) — Why BM25 + Block-WeakAnd outperforms native PostgreSQL ts_rank and GIN indexes.
  - [Installation](/bm25/getting-started/installation/) — Install vchord_bm25 and pg_tokenizer via Pigsty, Docker, Debian packages, or source.
  - [Quick Start](/bm25/getting-started/quick-start/) — Tokenize text, build a bm25 index, and run Top-K ranked full-text queries in minutes.

---

Section pages:

- [Overview](/bm25/getting-started/overview/): Why VectorChord-BM25 brings native Okapi BM25 and Block-WeakAnd Top-K search to PostgreSQL.
- [Installation](/bm25/getting-started/installation/): Install VectorChord-BM25 (vchord_bm25) and pg_tokenizer via Pigsty, Docker, Debian packages, or source.
- [Quick Start](/bm25/getting-started/quick-start/): Run your first BM25 ranked full-text search query in PostgreSQL with vchord_bm25.