Sign in to your Facebook account. Type the name of your Facebook page into the search box at the top of the screen and then click on its name in the auto-complete search results box. Click the “Link” option in the “Share” section near the top of the Facebook page. Enter the URL of the external link you’d like to share with those on your Facebook page and click “Attach.” Choose a thumbnail image or check " No Thumbnail." Write a comment about the link in the box provided. Click the “Post” button to share the external link with your page fans.
