---
id: node
title: Node.js
---
## npm
Install with `npm`:

```bash
npm install katex
# or globally
npm install -g katex
```

## Yarn
Install with `Yarn`:

```bash
yarn add katex
# or globally
yarn global add katex
```

## Building from Source

To build you will need Git, Node.js 6.9 or later, and npm or Yarn.

Clone a copy of the GitHub source repository:
```bash
git clone https://github.com/Khan/KaTeX.git
cd KaTeX
```

Then install dependencies and run `build` script:
```bash
npm install # or yarn install
npm run build # or yarn build
```

> You can manually download the package and source code from
[GitHub releases](https://github.com/Khan/KaTeX/releases).