To add the FlexyTalk Live-Chat widget to your Drupal website:
In the admin menu of your Drupal website, click Structure > Blocks > Add Block
Enter a Block title and a Block description, e.g. FrescoChat Live Chat and FrescoChat Live Chat Widget.
In the Block body field, paste the html code that you find in the Wizard,
which is in the bottom right corner of your Control Panel with this icon:
Set the Text Format to Full HTML, the Region Settings to Footer, and specify on which pages this Block should be displayed. Click the button Save Block.
And the result is: