When you need to chat with several friends in private, you can click to open the private chat window at the upper right corner, below the mail button.
Select a player
There are two ways to choose a player you want to talk with
1. If you want to search a player, enter character name, if the person is found, then a private chat window will appear;
2. You can make options from your friends list if you want to talk to a friend.
Private Chat Message
Choose the person you want to talk with, enter the message in the box to start a chat.You cannot PM a person who's offline.
When you received a PM from other player, the private chat button will flicker as a remind. Click the button to check your message, or from the private chat window.