To add a new product to your inventory, simply go to the catalog tab from your seller central and select the option “Add a product” and select the category of your product. Then add the required attributes, and if you have an UPC, add it there; otherwise, apply for a GTIN exemption. After adding all the required details, click “Save” and “Finish.
There is another way to add products to the inventory. In the catalog, you will also see the option “Add Products via Upload.” If you click there, you will see a different option to download the file, fill it out, and then come back and upload your file here at the same dashboard.