ML-Flex.tar.gz contains the latest version of ML-Flex. This archive contains all the files necessary to run ML-Flex in its default configuration. To get started, download ML-Flex.tar.gz and place it in a local directory where you desire to run ML-Flex. Then extract the contents using a command such as the following (on UNIX-like environments):
tar -zxvf ML-Flex.tar.gz
Alternatively, a tool like 7-Zip (http://www.7zip.org) can be used to extract the contents.
Then use the command line to enter the ML-Flex directory.
To learn more about ML-Flex, see the tutorial (http://mlflex.sourceforge.net/tutorial) and the README files included with ML-Flex.