How to install EngageOne 4.0 as of July 2015

Currently at the time of writing this, EngageOne version 4.0 does not have an installer for general use. To perform an installation of EngageOne 4.0, it is necessary to contact either professional services (for external customers) or a member of the 'Tiger Team' (internal staff - email group is EOS Tiger Team <>).
UPDATED:  August 23, 2017