> 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="/langchain-hand-book/getting-started/introduction.md">Introduction</a></td><td><a href="https://3913789932-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLMR3g4LrMGdZzjuGOcaS%2Fuploads%2FpYg8uho8aXwevEnAL3FO%2Fimages.jpg?alt=media&amp;token=1e3d4e16-c291-4183-91a5-16f6686c4bb1">images.jpg</a></td><td></td></tr><tr><td><strong>Basics</strong></td><td>Document Loading</td><td><a href="/langchain-hand-book/basics/document-loading.md">Document Loading</a></td><td><a href="https://3913789932-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLMR3g4LrMGdZzjuGOcaS%2Fuploads%2FhIOkR3A7YBbHG6vdAd20%2Fhttps___dev-to-uploads.s3.amazonaws.com_uploads_articles_k9hsbkx03gqi3my1noiv.png?alt=media&amp;token=e3a624c1-2b88-43b1-a1ba-4ca9c2afeda3">https___dev-to-uploads.s3.amazonaws.com_uploads_articles_k9hsbkx03gqi3my1noiv.png</a></td><td></td></tr><tr><td>Basics</td><td>Document Splitting</td><td><a href="/langchain-hand-book/document-splitting.md">Document Splitting</a></td><td><a href="https://3913789932-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLMR3g4LrMGdZzjuGOcaS%2Fuploads%2FuOc1tdPHyCkC7sWpWj0Z%2Fimage.png?alt=media&amp;token=e904f761-2e51-47a9-8c94-7b55e53002f1">image.png</a></td><td></td></tr></tbody></table>