The Installer is compatible with Java 1.5 and up. The latest version of Java can be obtained from Oracle, and older versions from Oracle or from oldversion.com. Java 1.5 is the last version that will run under Windows 98SE.

The source code is licensed under the GNU GPL v2.0 and available via SVN at svn://svn.icculus.org/fs2open/trunk/fsoinstaller. Source code hosting is provided by the FreeSpace 2 Source Code Project.