For the registered user, several sample projects are available for download as a model archive file (.zip) on the website Sample projects should not be used as templates for production code.  

After downloading the single example archive, it can be imported using the Import → Model Archive selection in from the File menu.  Details on importing an archive or multiple archives are available under Importing a project in the User Guide section under Workbench.

The pages below this one describe the available sample projects.

To import multiple example archives at once you can select Model Archives From Folder. In the following wizard you are able to select individual and multiple files as needed.