Chat window does not appear on the website. Exact steps how to make it work.
- Login into your WordPress website dashboard
Remove the copyright notice Powered by wp-chat.com
6) Reload your webpage (Ctrl+F5) to see the changes
Step-by-step guidance how to change User Name and Operator Name for chatbox in Live Chat.
- Save/Update.
Integration methods for better work of Live Chat. 
- Open 'Chat' in your WordPress website Dashboard;
Hints how to solve "Error connecting to server secure.wp-chat.com".
1) check if you use any security plugin on your WordPress website. If yes, switch it off and try to use the Chat;