> For the complete documentation index, see [llms.txt](https://xai-foundation.gitbook.io/xai-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xai-foundation.gitbook.io/xai-network/en/about-xai/sentry-key-purchase-and-setup/step-1-purchase-a-sentry-key/option-2-buy-sentry-key-via-xai-sentry-node-desktop-app.md).

# Option 2: Buy Sentry Key via Xai Sentry Node desktop app

#### **If you've already downloaded the Xai Sentry Node desktop app, you can initiate buying keys via the desktop application. See steps below:**

1. Navigate to the Home page in the desktop application by clicking the Xai icon in the top left corner.

<figure><img src="/files/zPtj1Knvz7osvMpxGyMn" alt=""><figcaption></figcaption></figure>

2. Click "Purchase Keys" on the Home page.

<figure><img src="/files/Glm7PBeCQ1pCgDINaQjW" alt=""><figcaption></figcaption></figure>

3. Enter your desired quantity.

{% hint style="warning" %}

* Purchasing more than 175 keys in a single transaction will result in signing multiple wallet confirmations. There is no limit to the number of Keys per wallet.
* #### The price you see below is only for demo purposes - this is not a real key and not a final price.

{% endhint %}

<figure><img src="/files/ksobqUhUbqw9jvw7fess" alt="" width="268"><figcaption></figcaption></figure>

4. Enter a promo code (if you have one).

<figure><img src="/files/pUnbB15yziOUK0y8sDzX" alt="" width="268"><figcaption></figcaption></figure>

5. Click "Confirm Purchase". This will pop you out to a web browser.

{% hint style="info" %}
Xai Sentry Key purchases will only ever take place on <https://sentry.xai.games/>. Check that you are on the correct URL when purchasing Xai Sentry Keys.
{% endhint %}

<figure><img src="/files/xEA2ltiWNdksBlwzR4yJ" alt="" width="268"><figcaption></figcaption></figure>

6. Complete the remaining steps using the guide found here: [Option 1: Buy Sentry Key via the website](/xai-network/en/about-xai/sentry-key-purchase-and-setup/step-1-purchase-a-sentry-key/option-1-buy-sentry-key-via-the-website.md)