To save a copy of your project, you can simply click on it from the Library and select "Save as copy" from the menu.
- Click on your project in the Library and click on Edit to open it.
- Click the arrow in the upper right of the program window and and select "Save a Copy...".
- Enter a name for the copy you're saving.
Your original will now be saved on your library shelf, and you can begin editing the copy. The name of each project can be seen at the top of the screen while in Edit mode, or at the top of the screen in the Library by clicking on the project once to select it.