If your platform is not supported you can also choose to upload products manually. It also means you will have to manage the order from th backoffice.
Retael as the managing platform
SaveAdd product

Options if you want to create Variants for your product. eg. Size: 42 and Size: 43Options are not a requirement, without Options you will create a standalone product.

You can add additional values for the option by seperating them with a comma eg.
42,43
The dropdown provides common options like
ColorandSize, but you can also define your own option likeCustom, just start typing
Save - a new product is createdOptions, new Variants were also created and now become visible.
You can edit a
Variantby clicking on the name. Here you can also upload variant-specific images.