Facebook Suggested Friends
Step 1. Log in to Facebook and also see your friend's timeline. Click the down-facing arrow with a gear icon close to the "Message" button.
Step 2. Select "Suggest Friends" from the drop-down checklist. Scroll via your friends to locate the one you intend to recommend, or enter the name into the Search bar. Click the name to highlight it for sharing. You may select multiple friends at the same time to recommend more than one.
Step 3. Click "Send Suggestions" to send the friend idea. Both friends obtain the tip under their friend Requests tab, which likewise tells them you made the recommendation.