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# Examples and Demos Launcher

The Examples and Demos Launcher (`qtdemo`) allows the user to browse the examples and demonstrations included with Qt, access the documentation associated with each of them, and launch them as separate applications.

The `qtdemo` executable should be installed alongside the other tools supplied with Qt.

- On Windows, click the Start button, open the Programs submenu, open the Qt 4 submenu, and click Examples and Demos.
- On Unix or Linux, you may find a `qtdemo` icon on the desktop background or in the desktop start menu under the Programming or Development submenus. You can launch this application from this icon. Alternatively, you can enter `qtdemo` in a terminal window.
- On Mac OS X, navigate to the `/Developer/Applications/Qt` directory in the Finder and double click on the `qtdemo.app` icon.