Click “Settings” on Menu in the top menu bar
Click on "Sites" right beside "Global settings"
Click the code icon 2nd Icon in the line
See image here:
Copy the Widget Code
See basic video here: https://www.screencast.com/t/XJTgniLaEoLS
Paste this right before the </body> tag on all of your web pages, where you want the live chat widget to show up.
That's all there is to it!