I'll put my hands up to this one. Clumsy words in the instructions. What it means to say is
"To make software download easy in this instance or in normal use for that matter where an internet connection is not available, from this software release 20160820 new software is embedded so that future new releases will be able to be upgraded via a pen drive memory stick. To do this you will for the next release, be able to upgrade a file from the PilotAware.com website onto a Pen Drive memory stick. This will be a PilotAware.pgp file."