There is no special upgrade instructions to go from any version to any other version. Simply follow the usual upgrade instructions.Here under upgrading:https://github.com/osTicket/osTicketHerehttp://osticket.com/wiki/Upgrade_and_migrationor the ones I wrote here:http://www.tmib.net/upgrading-osticket-19x-current-110Of course I recommend mine. :) I feel that they cover a little more than the default ones.