# Launching the installer

1. Open ports 80 and 443 (Tomcat/Web server Port) through the firewall, if any.
2. Enter hostname.com in the DNS pointing to the application server where the platform WAR is deployed. Example: docs.cloudio.io
3. Restart the server.
4. Launch the CloudIO Platform through your browser to access the CloudIO Installer.
5. Launch the CloudIO installer, and fill the required details to complete the installation process.

{% hint style="info" %}
In case of a worker environment, the installation must be done using a single Tomcat port.
{% endhint %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.cloudio.io/setting-up-the-cloudio-platform/platform-installation/launching-the-installer.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.