If you'd like to try out all of the latest features of Descript on an existing Classic project you can follow these steps.
Open the Descript Classic project as indicated by the "Classic" label in the Drive View.
Once open, locate the yellow banner at the top of the page and click "Copy this project to Storyboard" to create a duplicate of your Project with all of the new features and layout.
Once complete you should see a pop out message at the bottom right of your open project window confirming the project has been created:
You can now navigate back to the Drive View and open your new project.