By default, the script that loads on your storefront is served from Google Cloud CDN.
When you download these scripts, unzip them somewhere on your web server so that they are accessible by URL.
To change the address of scripts launched by your website, go to the Store > Configuration in the admin panel.
Next, go to section Buildateam > Custom Product Builder. In this section, specify the URL of the scripts on your server. Remember to click the Save Config button.
After this, go to cache management and flush cache.
The script should start loading from your own server.
Our default links for CPB Dist are:
You can always check out latest features by switching the URL under Stores > Configuration > Buildateam to our stage links: