> For the complete documentation index, see [llms.txt](https://sifat-hasan.gitbook.io/langchain-hand-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sifat-hasan.gitbook.io/langchain-hand-book/readme.md).

# Welcome

Welcome to the LangChain handbook. Here you learn about langchain and how it works. Learn about RAG with LangChain implementation.

<figure><img src="https://i.ytimg.com/vi/rh7aB-Pbxa4/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&#x26;rs=AOn4CLAECPc65PO6N8W1Ug23TlFaWT2wcw" alt=""><figcaption><p>Langchain Main Components</p></figcaption></figure>

We learn by doing. In this handbook, we make a customer support chatbot and learn many things that I learned in 1 year of experience in LangChain. I will share my experience and research with you and you will master LangChain when you read to complete this book.

### Jump right in

<table data-view="cards"><thead><tr><th></th><th></th><th data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden></th></tr></thead><tbody><tr><td><strong>Getting Started</strong></td><td>Introduction</td><td><a href="/pages/NteHMf4bELRaaLoDVu9G">/pages/NteHMf4bELRaaLoDVu9G</a></td><td><a href="/files/gTb1Iu6Igf02OUYIemZ0">/files/gTb1Iu6Igf02OUYIemZ0</a></td><td></td></tr><tr><td><strong>Basics</strong></td><td>Document Loading</td><td><a href="/pages/QZ6lGro4IG92IW6GziB4">/pages/QZ6lGro4IG92IW6GziB4</a></td><td><a href="/files/XM2ZfMCPR9Xliofi8L86">/files/XM2ZfMCPR9Xliofi8L86</a></td><td></td></tr><tr><td>Basics</td><td>Document Splitting</td><td><a href="/pages/nS6ocnAvGUmngFSWF7lI">/pages/nS6ocnAvGUmngFSWF7lI</a></td><td><a href="/files/RSbdv6Q46Lv2eIQ1chWe">/files/RSbdv6Q46Lv2eIQ1chWe</a></td><td></td></tr></tbody></table>