You must first download EMFOCL Plugin. This document will describe how to install the plugin using the install archive.
The downloaded install archive contains everything required to run
the plugin on your eclipse plateform. The install archive has 2 top-level
directories named features and plugins.
You can now unpack the install archive.
Then, copy all the files and directories contained in the features
directory in the corresponding directory of eclipse.(eclipse/features/)
Also copy all the files and directories contained in the plugins
directory in the file plugins of eclipse.(eclipse/plugins/)
To confirm that you can start Eclipse and verify that it is available in your Eclipse environment