If you would like to download a catalog, click the download icon. if you're prompted to login, proceed with entering the email address and password for your chief architect online account. if you don't have an account, one will need to be created to download additional content.. Library catalogs are available for download from our 3d library website. there are catalogs available for multiple program titles and versions, but you should only install catalogs designed for your version. troubleshooting library download issues.