Adding a copy of a project to your project library takes a few steps.
1. Open up the project you want to create a copy of.
2. Publish the project to your GameSalad portfolio by clicking the orange cloud publishing button in the top right corner of the interface.
3. Once the project is published, head to the published projects tab inside Creator interface.
4. Hover over the project you published and click on the import button.
You should now have a copy of the project in your project list!