Adding Variations or Versions to Products
You can add versions of the same product (for example, if a product comes in multiple colors) by going into edit your product listing.
Each option that you add will have a space for the name, SKU, and a customized price.
To add variations to a product, you'll want to select the Multiple versions available checkbox:
From there, you'll be able to add a name, SKU, and price to each individual variant:
After you've added all of the variants and clicked the Save Changes button, it'll take you to a public view of what your product listing looks like with the new variants available: