NOTE: Updating your product images will also update the listings that are linked to these products. If you're looking to update your listing images, there's nothing else you need to do.
Update images for a single-product
To update a product image, navigate to Products > Inventory, then select the product you wish to update. From the Product page, click on the "Images" tab.
From here, click "Choose Files" to upload your product images. Click "Save" or "Save & Close" when you are done.
Update images for a variation product
If you need to update images for a specific variation, you can locate your variation products by navigating to Products > Inventory. All variations will be displayed individually on this page.
Alternatively, you can find you variation products by navigating to Products > All Products and clicking on the parent product. Once on the parent product page, you can click into the "Variations" tab to add images to your variation products.
No matter how you get to your variation product page, simply click "Choose Files" to upload your product images. Click "Save" or "Save & Close" when you are done. You can also update your parent product images using the same process.
If you are looking to update your product images in bulk, so you can this using a CSV file, or by uploading a Zip file of your images.