1. Create new Zopim account or use an existing one.
2. Login to your Zopim account and navigate to Settings -> Widget, copy the HTML widget code (see the screenshot below).
3. Now login to your website backend and navigate to Divi (sidebar menu) -> Theme Options -> Integration (tab) -> Add code to <head> of your blog (field).
5. Paste in copied code from step 2 and save all settings (see the screenshot below).
6. That’s all, the chat widget should now appear on your homepage.