After logging in to the administration panel, from the menu select Modules and services. Click on the "+" symbol with the words Add a new module. Select from the disk of your computer Czater_prestashop.zip module file and click on the Submit module button.
After saving the changes, the chat should appear on our website.
If despite the instructions, the chat does not display, go to settings in the admin panel of your store Advanced -> Performance -> CCC FUNCTIONALITY