The Brandifyer Template Builder add-on, which replaces the old template builder. can be downloaded from Adobe Add-ons. Also, when you click the template builder in the maintenance menu in Brandifyer, you will be guided to the Adobe Exchange page where you can download the add-on. After clicking install, the add-on is installed to your InDesign CC automatically. Check with your Brandifyer Account Manager whether your Brandifyer is compatible.