Follow the instructions below appropriate for the type of OS and Cayenne distribution that you have:

### Mac OS X

CayenneModeler.app comes as a part of the Mac distribution and is located at the root of the disk image.

### Windows OS

Windows distribution of Cayenne contains `CayenneModeler.exe` file in the `bin` directory. To start the Modeler doubleclick this file. Note that you still need a JDK version 1.4 or newer installed to be able to run the Modeler.

### Cross Platform Modeler (Linux or any other OS)

CayenneModeler.jar is a runnable jar that can be executed with JDK 1.5 or newer:

    java -jar cayenne_distro_dir/bin/CayenneModeler.jar