1. First download a WeChat software and log in your username and password.
2. Click "People nearby" on the "Discovery" page to start searching for people nearby.
3. Or, click "Shake" on the "Discovery" page to add the shaken person as a friend.
4. After adding friends, click Address Book to find the person you want to chat with.
5. Click the person you want to chat with, click "Send Message" to edit the message and send it.