The About Us page not only provides information about the business, product, or service you are providing but also helps readers better understand the mission, vision, and development orientation of the business.
Create About us page
From Shopify dashboard > Pages > Add page. Then please add the title and the content (optional) for your page. Remember to Visible and select about_us as the Theme template.
Config About page
In your Customize Theme > Pages > about.
Merchants can add any section that is listed in Theme sections
You can do the same with other pages like: About v2, Contact, Contact v2, Faqs