Download Typesafe Activator, and unzip the file
Download Developer Preview 0.2.1 (201MB).
Extract the downloaded zip file to your system.
Start Typesafe Activator's UI
In your File Explorer, navigate into the directory that Typesafe Activator was extracted to, right-click on the file named "activator.bat", then select "Open", and if prompted with a warning, click to continue:
Or from a command line:
This will start Typesafe Activator and open your browser to the Activator UI.
C:\Users\typesafe\activator-0.2.1> activator ui
Create a new application
Choose from 13 template applications.
Once the application is created your can explore the code, run its tests, and run the application. Each template includes a tutorial that will walk you through the individual pieces of the application and how it works.