> For the complete documentation index, see [llms.txt](https://fastlane-labs.gitbook.io/polygon-fastlane/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fastlane-labs.gitbook.io/polygon-fastlane/getting-started-as-a-validator/patching-your-sentry-nodes-with-the-fastlane-patch/installing-from-source.md).

# Installing from source

{% hint style="warning" %}
Note that the FastLane Sentry Patch must be installed on **ALL** of the sentry nodes connected to the validator node.
{% endhint %}

### 1. Download the FastLane Sentry patch

{% content-ref url="/pages/MfNK29JjeqhQzcLjNnoZ" %}
[Patch Download](/polygon-fastlane/getting-started-as-a-validator/patching-your-sentry-nodes-with-the-fastlane-patch/installing-from-source/patch-download.md)
{% endcontent-ref %}

### 2. Install the FastLane Sentry Patch

{% content-ref url="/pages/yRxBixgCMSZVjt3B6nMq" %}
[Patch Installation](/polygon-fastlane/getting-started-as-a-validator/patching-your-sentry-nodes-with-the-fastlane-patch/installing-from-source/patch-installation.md)
{% endcontent-ref %}

[<- Back to "Patching Your Sentry Nodes With The FastLane Patch"](/polygon-fastlane/getting-started-as-a-validator/patching-your-sentry-nodes-with-the-fastlane-patch.md)