> For the complete documentation index, see [llms.txt](https://excelhelp.windhamlabs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://excelhelp.windhamlabs.com/getting-started/installing-excel-lab.md).

# Installing Excel Lab

## System Requirements <a href="#system-requirements" id="system-requirements"></a>

| Minimum                             | Recommended                                                                                                                              |
| ----------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- |
| Microsoft Windows 7                 | Microsoft Windows 10                                                                                                                     |
| Any Intel or AMD x86 - 64 processor | Intel x64 processor with more than two logical cores                                                                                     |
| 8GB of HDD space                    | 8GB SSD space                                                                                                                            |
| 1GB RAM                             | 8GB or more                                                                                                                              |
| Microsoft Excel 2019 or later       | Microsoft Excel 365 (with [**dynamic arrays**](https://insider.office.com/en-us/blog/dynamic-arrays-and-new-functions-in-excel) enabled) |

{% hint style="info" %}
Older versions of Microsoft Excel are not officially supported by the Windham Labs team. We highly recommend Microsoft Excel 365 with dynamic arrays.
{% endhint %}

## Setting Up Excel Lab

Windham's Excel Lab is powered by a combination of complex technologies to enable powerful calculators and analytics. It will be helpful to enlist your IT team/administrator for help when installing the tool.

There are **4 steps** that are important to follow for a successful installation.

{% content-ref url="/pages/-MQE6LVVl8CFno7AFDAC" %}
[Step 1: Download Files](/getting-started/installing-excel-lab/setup-files.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MQE6uo8wNWMV8JUELsq" %}
[Step 2: Register Libraries](/getting-started/installing-excel-lab/register-files.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MQE79-fwQh\_PfCiDATB" %}
[Step 3: Activate Add-in](/getting-started/installing-excel-lab/activate-add-in.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MQE7ODSg02oYI30k1Px" %}
[Step 4: Verify Installation](/getting-started/installing-excel-lab/verify-installation.md)
{% endcontent-ref %}