To get started, you should have an Eclipse IDE with RAP tooling installed. It's easiest to get the Eclipse package for RCP and RAP developers. See the downloads page for details.
This screencast shows how to get started with developing RAP applications. It covers RAP target installation, creating a new RAP application and launching it in a web browser.
When Eclipse starts on a fresh workspace, a welcome page is displayed. Select the Rich Ajax Platform (RAP) section and choose Install Target Platform on the following page. In the upcoming dialog confirm the default values, which starts the target installation process.
After the installation finished you are prepared to work with RAP. For your first steps you may read the RAP Examples topic and/or the other chapters of the getting started section.
To install the RAP Tooling into your Eclipse IDE (3.5 or later), follow these steps: