How do I install Fileinfo?

Introduction

How to install the PHP module fileinfo. 

Procedure

1. Log into the server's WHM as root and navigate to "Home / Software / EasyApache 4"
2. Click the button that says "Customize" next to Currently Installed Packages
3. Click "PHP Extensions"
4. Search for Fileinfo in the search bar and select the extensions you would like to install
5. Click "Review"
6. After looking over the proposed changes, scroll to the bottom of the screen and click the "Provision" button