> For the complete documentation index, see [llms.txt](https://subsembly.gitbook.io/subsembly/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://subsembly.gitbook.io/subsembly/getting-started/cli.md).

# CLI

Install and run Subsembly

## Overview

**Subsembly** comes with a CLI tool that helps to ease the development of **`Subsembly`** runtimes. CLI tool contains following commands that simplify compiling and running **Subsembly** runtimes.

## Installation

{% hint style="danger" %}
The minimum supported **Node** version is 14.0.0
{% endhint %}

To install CLI tool, run:

```
npm install -g subsembly
```

This will install **`subsembly`** globally.

Once you're done installing **`subsembly`**, make sure it was installed correctly:

{% tabs %}
{% tab title="Default" %}

```bash
subsembly
```

{% endtab %}

{% tab title="Help" %}

```bash
subsembly --help
```

{% endtab %}
{% endtabs %}

The above commands should display the help page:

![Picture 1. Default page](https://3486155078-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MVLPB3fCkGpKnqkQwlo%2F-MW9DHcmYVMfFre4pFkp%2F-MW9IxC0YXwb6qxTXsY8%2Fimage.png?alt=media\&token=db3762b8-cb1e-432e-bbf8-9bcfe93c4939)

![Picture 2. Help page](https://3486155078-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MVLPB3fCkGpKnqkQwlo%2F-MW9DHcmYVMfFre4pFkp%2F-MW9J9mu-x7--a-EdnhE%2Fimage.png?alt=media\&token=020385c9-75f8-4423-bfde-32454294e805)