Login to your AMZFinder account and click on the “Marketplaces” button in the navigation bar. After entering the new page, click on the “+Add Marketplace” button on the right side to add a new Amazon marketplace.
Input your store alias and choose the marketplace you would like to add in the drop-down menu.
Click on the “Click to authorize now”button in step A to finish the page jump. Then log in to your Amazon seller account to complete the MWS authorization.
After successful MWS authorization, return to the previous page and click on the “Submit”