On Microsoft Windows:
1. Locate the flex.war file at the top level of the installation folder (default is /Program Files/Macromedia/Flex).
2. Create the /flex directory on your Java application server which will be your context root.
3. Use WinZip, jar, or another archiving utility to extract the contents of the flex.war file to the /flex directory. For example, from within the /flex directory, type the following command: jar -xvf "c:/Program Files/Macromedia/Flex/flex.war".
4. Create the /samples directory on your Java application server which will be your context root of the Flex sample applications.
5. Use WinZip, jar, or another archiving utility to extract the contents of the samples.war file to the /samples directory.
6. Start or restart your application server.
On Linux and Solaris:
1. Locate the flex.war file at the top level of the default installation folder, (default is /opt/ Macromedia/Flex/).
2. Create the /flex directory on your Java application server which will be your context root.
3. Use jar, or another archiving utility , to extract the contents of the flex.war file to the /flex directory. For example, from within the /flex directory, type the following command: jar -xvf / opt/ Macromedia/Flex/flex.war.
4. Create the /samples directory on your Java application server which will be your context root of the Flex sample applications.
5. Use jar, or another archiving utility , to extract the contents of the samples.war file to the /samples directory.
6. Start or restart your application server. For more information, see your web application server's documentation.
For further installation instructions, see your web application server's documentation or visit www.macromedia.com/go/flex_install