The freeware edition of defence, including all files in the provided archive,
is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. 
You are allowed to transfer all the files into a different archive type for distribution but you are not allowed to skip one of the files! 
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.