Depending on your software version and internet connectivity, there are several ways to acquire the core content.
A green progress bar at the bottom of the Library Browser indicates the download status. 2. Manual Download and Installation
Use this if the automatic method fails or if you are using a specific version like X17. Chief Architect Download Files : Log in to your Chief Architect Online Account and download the (Core Library) and (Referenced Files) for your specific version. For X17 and Newer Open Chief Architect. Navigate to Library > Import Library Select the downloaded files and click For X16 and Older Chief Architect. Locate your system's data folder: %programdata% , and go to the Chief Architect /Library/Application Support via Finder's Go To Folder files into the Core Libraries folder and files into the Referenced Files Chief Architect Troubleshooting Common Issues Obtaining and Updating Library Content - Chief Architect