How to make product description tabs in Shopify without a Shopify app?

In the fourth article of the #4weeksOfShopifyDev challenge, I'll be talking about to add product tabs without using a Shopify app

Note: I'm using the Debut theme, you may have a different Shopify theme

Demo Product Page

Create a product template

• First, we need to create a custom product Shopify template and called product-tabs.liquid
  

• Create a new Shopify section and called product-template-tabs and paste the code from the product-template section
  

• Change the section in product-tabs.liquid to product-template-tabs
  

Install reviews app and configure tabs

• Install Shopify product reviews app

• Create a new Shipping policy page
  

• Replace product.description in product-template-tabs.liquid with this code

https://gist.github.com/IliasHad/43a3ab86eb6755bae03a89c3042d7397

Et voila, you have product tabs without a Shopify app