# Simulator

This feature is often overlooked but contains a lot of hidden power. IT's a fast and easy way to see how your website will look on different devices.

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Did you know you can open **multiple simulator windows?** You can even **save them as sets** for use later. Read on to learn more.
{% endhint %}

### Getting Started

To open a preview of your site with the Simulator, click the "Simulate" toolbar item.

Here's a preview of the Simulator showing how the Realmac Software site would look on an iPhone X. You can change the size using the drop menu in the middle of the window.

![A single Simulator Window in RapidWeaver](/files/TRUiBFR5eDtv4DeMSFJq)

### Multiple Simulator Windows

...

### Saving Simulator Layouts


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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.realmacsoftware.com/classic-manual/user-manual/features/simulator.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.