1. Go to ADMIN SETUP > Product Administration > Product Groups. 
  2. Search for the product group you want to update.
  3. Click the product group name link to open the Product Group details page.
  4. Go to the Associated Products tab.
  5. In the Search Products box, enter keywords to search the product you want to associate with the product group.
  6. Hover the mouse on a the required product and click + next to the product name. The product is associated to the product group and is displayed under the Associated Products section.
  7. To delete an associated product from the product group:
    1. Under the Associated Products section, enter the name of the product that you want to search in the Search the list box and press Enter. Products that match the search are displayed.
    2. Hover the mouse on the product you want to disassociate and click the x icon. The Remove Product pop-up is displayed.
    3. Click Confirm.