To use one of these federated locations in your enterprise search solution, follow these steps:
1. Download the federated location definition (.FLD) file for the desired federated location above (right click on the link and select “Save Target As”).
2. Import the file into your search solution by going to your Search Administration page, click on “Federated Locations,” and select “Import Location.”
3. Connect the federated location to an end-user results page by adding a Federated Results Web Part or Top Federated Results Web Part and configuring it to connect to your federated location.
You can find more information about importing and using federated locations in the "Federated Results from Other Locations" article on your Search Administration page. Also, you can discuss federation in Search Server in our discussion groups.