How to add friend in https://www.pidantuan.com/ 1) Go to home
2) In search option select "user"
3) Type the name of the person you want to add as friend
4) If multiple users detected, then select the correct one
5) Below the photo of the selected friend, Add friend option is there
6) Click it, type a messege and answer how your found said user
7) Send the request
8) If the user accepts friend request, then the user will be displayed in friend's list
