# Software Installation

Download the[ Software](https://github.com/dlktdr/HeadTracker/releases) from the link in the menu. Choose the most recent one available on the releases page. Pick up the .zip file.

![](/files/-Md6Wb2jgpdKInVYVQCk)

Right click on the saved .zip file and choose Extract All. Pick a folder to save it to. Open Headtracker.exe from this folder which will start the GUI (Graphical User Interface). 

![](/files/-Md6XZJ0u2yAwQ0LvZi5)

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If you see that Windows Protected your PC, this is expected. Windows is doing that for applications that are not from the Microsoft Store. Click "More Info" and "Run anyway". Be careful. Never do that for other applications with unclear origin.

{% endhint %}

![](/files/cWGD80LODalwha7Uzz6y)

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### Once the GUI is opened the first step is to flash the firmware on your Nano. See [Flash Firmware](/head-tracker/getting-started/software-installation/flashing-firmware.md) for guide.

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**Windows 7+8 Users**

Windows 7+8 will need the Arduino Nano 33 BLE driver installed. It is included with the GUI under drivers/dpinst-amd64.exe 
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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://headtracker.gitbook.io/head-tracker/getting-started/software-installation.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.