---
title: "Installation"
slug: "payments-fsl-install-setup-installation"
updated: 2025-05-15T19:48:45Z
published: 2025-05-15T19:48:45Z
canonical: "docs.blackthorn.io/payments-fsl-install-setup-installation"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blackthorn.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Installation

The first step is to install the latest extension packages and complete the setup process.

## Enable the Field Service Package

1. Navigate to Setup > Field Service Settings.
2. Click **Enable**.  

![P_02_Package Setup pic 1](https://cdn.document360.io/f977eec0-500f-40a3-b663-724a51f78075/Images/Documentation/P_02_Package%20Setup%20pic%201.png)
3. If you update any of the settings, click **Save**.

## Install the SF Field Service Managed Package

If you haven't installed the Field Service Managed Packaged yet, install it now. (You can install the managed package in a production or sandbox org).

Click [SF Field Service Managed Package](https://d36000000z1fneac.my.salesforce-sites.com/install) and follow the prompts to install the managed package in your org.

## Install the BT FSL Mobile Pay Extension

**Prerequisite:** To install the latest FSL Extension package, you must have Payments Version 5.31 or higher.

Install the latest [Blackthorn Payments Mobile FSL Extension Package](https://docs.blackthorn.io/docs/fsl-release-notes).