This input field value will control the visibility of Related Products in one row. You can adjust the number of related products in one row.
If products are larger than this input value then our app automatically uses a slider for Related Product Widget.
If you want to show four related products in one row then you have to set 4 in the "Max No. of Products to Display in One Row" input field (See screenshot below).
When you select more than four products then, The related products will display on your Shopify store like this (See screenshot below).