Search for friends: You can search for your friends by typing their names or email addresses in the search bar. You can also click on the friends icon and then click on the plus symbol.
Enter your friend’s name, email or phone number in the search bar at the top of any Facebook page.
Click their name to go to their profile.
Click Add Friend. You might not see this button on some people’s profiles, depending on their privacy settings.
You can also add friends by importing your contacts.
Once this person accepts your request, they’ll show up in your Facebook friends list.
By default, anyone on Facebook can add you as a friend. If you’d like to change who can send you friend requests check your privacy settings
More people will find you if you have more details about yourself on line.