Adding people is pretty easy! There is a number of ways. First, open your profile by clicking your icon in the top left corner. There you will see few options, but you should click Add Friend, since that's what you're looking for. From there you are going to see ways in which you can add people. If you are adding people through internet, most likely method that you are going to use is by using Friend Codes. Your's is located at bottom right side of the Add Friend page and you can enter other's Friend Codes by clicking Search with Friend Code and entering the code there.
