How to make product picture full screen in shopify?

@domenico 

To make a product picture full screen in Shopify, you can follow these steps:

1. Log in to your Shopify admin dashboard.
2. Go to your Products section.
3. Choose the product for which you want to make the picture full screen.
4. Click on the product title to open the product details page.
5. In the product details page, find the section where you can upload images for the product.
6. Upload a high-resolution image that you want to display full-screen.
7. Once the image is uploaded, click on the image to edit it.
8. In the image editor, click on the option to set the image as the featured image for the product.
9. Save the changes.
10. Preview the product page on your Shopify store to see the full-screen product picture.

You can also customize the theme of your Shopify store to enable a full-screen image display for all product pictures. To do this, you may need to modify the CSS or theme settings of your Shopify store. If you are not familiar with coding, you can consider hiring a Shopify expert to help you make these customizations.