Create your Google Merchant Center Account: Google walks you through the entire process of organising your account, but Consider you’ll need to have two points—1) an online store that accepts payments with clearly priced products, offers returns, and it has your contact data and 2) Actual physical products (not companies) https://www.presta-addons-modules.com/en/seo/prestashop-google-merchant-center-google-shopping.html