1.Login to your Amazon Associate Account and Click Tools -> OneLink.
2. Go “Click here to link.”
3. Click on the country name from Select geography column and click the “Sign up here.”
4. Sign up with the same information that you used to open us associate and take the associate id from here. Now go back to us associate screen again and put the associate id in the store id and click “Link Store” button.
5. After a while you will see that you are verified with the store.
7. After verifying, see the bellow image for how to utilize the international traffic.