# Requirements and installation

Before installing Dali, ensure that your environment meets the following minimum requirements:

- Eclipse 3.4 (`http://www.eclipse.org/downloads`)

- Java Runtime Environment (JRE) 1.5 (`http://java.com`)

- Eclipse Web Tools Platform (WTP) 3.0 (`http://www.eclipse.org/webtools`)

- Java Persistence API (JPA) for Java EE 5. The reference implementation can be obtained from:

    https://glassfish.dev.java.net/downloads/persistence/JavaPersistence.html

Refer to `http://www.eclipse.org/webtools/dali/gettingstarted_main.html` for additional installation information.

Dali is included as part of WTP 2.0. No additional installation or configuration is required.

Accessibility Features

Dali supports the standard accessibility features in Eclipse, including the following:

- Navigating the user interface using the keyboard.

- Specifying general accessibility preferences for the editor.

See Accessibility Features in Eclipse in the Workbench User Guide for details.

Help Accessibility

The documentation and help contains markup to facilitate access by the disabled community. See Help Accessibility in the Workbench User Guide for details.

When using the help, be aware of the following:

- Screen readers may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, some screen readers may not always read a line of text that consists solely of a bracket or brace.

- This documentation may contain links to Web sites of other companies or organizations that we do not control. We neither evaluate nor make any representations regarding the accessibility of these Web sites.