How to use this ETA App? Our apps are built to work in 1 click. So after installing, just click the enable button, the delivery message will show on your store. If you want to set up different estimated delivery dates for certain countries, just head to the Delivery zones section, search and add countries which you need to set additional dates. If you want to set up different estimated delivery dates for certain products just head to the Product section, search for products in which you need to set additional dates. Display priority: Products >Delivery zones > Dashboard