There are instructions on the www.perfect-test.com site for installing the plugin and once that is done, users can create a new project using a sample template, which will auto-generate a series of template files. These files are generic "getting started" files, but you should still follow the structure and design of the framework as outlined in this book.
Here is a quick screenshot of the autogenerated file structure of the sample project:
Once the plugin is enabled by simply clicking on the Selenium icon in the toolbar, users can use the Code Generate menu features to create code samples, ...