To install additional Fade In Professional Screenwriting Software templates, extract/unzip the .fadein.template files in the downloaded package to your computer.
(Normally, depending on your operating system, you can extract a zip package by double-clicking on it, or by right-clicking and choosing the option to extract.)
Start the application, and select File > Templates > Manage Templates.
Click the Install button, and select the template that you want to install. (Repeat for multiple templates, if desired.)