YouTube videos that could help you do this task :

How to Install Facebook Pixel on Shopify :

https://www.youtube.com/watch?v=bmj9ypC4OCM&t=1s&ab_channel=LearnWithShopify

Goal: To add the Facebook pixel to your Shopify Store.

Ideal Outcome: The Facebook pixel is properly installed without any technical issues.

Prerequisites or requirements: You need a Shopify account, and a Facebook Business Manager account with a Facebook Ads account associated to it. If you don’t have one you can follow

Create a Facebook Ads account using Business Manager

Why this is important: The Facebook Pixel is essential if you want to use Facebook advertising. With this pixel, you can create remarketing audiences and set up conversions for your campaigns and better optimize your ads.

Where this is done: In your Shopify store admin panel and Facebook Ads manager.

When this is done: Only once—the first time you install the Facebook pixel.

Who does this: The person responsible for website management, analytics, or paid advertising.

Before you start:

  1. You should have created or gotten access to your company’s Facebook Business Manager account before following this process.
  2. Download and install the Facebook Pixel Helper Chrome Extension.

When adding a Facebook Pixel through this SOP, you’ll immediately have these events be sent through the pixel which means they’ll be ready for you to use for your campaign’s targeting, objectives, and analytics:

Source: Shopify