I have a JIRA version 7.1.9 updated from version 6.2.7
I have tried to install via administration, applications, versions and licenses
I also tried to install via obr file
in the end, on the page version and license, I see Servicedesk, but I can't find it under add-ons. In the projects section as there was a project type: Servicedesk
and can't administration it