Go to Stores > Store Settings > General
Introduce your Store Name and let your customers know a bit more about your business. They will see this description when opening the store.
Insert your contact details so your customer can contact you. If you have a website and an Instagram page, this will be the place to insert those details.
Add an address. This will show on your store page and will be used to calculate delivery distances for Delivery & Pickup Stores
Scroll to the bottom of the page and don't forget to press Save to apply the changes.