Board Thread:Support Requests - Getting Technical/@comment-30509676-20170821045734/@comment-1038387-20170821160715

Go here

Add "Template:Familytree", "Template:Familytree/doc", "Template:Familytree/element". Tick "include templates". Click export. You get a file.

Go to your own wiki, Special:Import. Add the file. Import. Wait.