From the Google Shopping Tab ---> Manage tab of your Kliken dashboard, you can change your selected Product Categories by clicking the campaign(s) you wish to update. You can also click on the Edit (pencil) icon at the right of the campaign. After successfully landing on the Edit page, you can then select the Store Product option. On the new menu that appears all of the enabled store product categories that are available can be selected or deselected using a checkbox. Once the modification is completed please select the Save changes button to confirm your changes.