# Installing Caplin CLI

This page provides instructions for installing Caplin CLI, the Caplin Trader 5 command-line interface.

Use Caplin CLI to create a development workspace and to create scaffolding for new applications and components.

## Requirements

For the full Caplin Trader 5 requirements, see [Caplin Trader 5 requirements](requirements.md).

Caplin CLI requires:

* Node.js (see [Installing Node.js](installing-node-js.md))

## Installing Caplin CLI

To install Caplin CLI, run the command below:

```
$ npm install -g caplin-cli
```

## Updating Caplin CLI

To update an existing installation of Caplin CLI, run the command below:

```
$ npm update -g caplin-cli
```