# Installation

HTML: [altophp.com/importmap/installation](https://altophp.com/importmap/installation/)

Alto Importmap requires PHP 8.3 or later.

```bash
composer require alto/importmap
```

Composer provides the `vendor/autoload.php` file used by the examples in this documentation.

Continue with [Getting started](https://altophp.com/importmap/getting-started.md).

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ALTO\IMPORTMAP: [altophp.com/importmap](https://altophp.com/importmap/)
ALTO(PHP): [altophp.com](https://altophp.com/)