Export Customization Form button does not show

i have changed serveral Forms for my customer… now rollout day is commin…

now my google search says i can export customized forms with a button / action…

i searchd for this … but i cant mark my forms for export ( i work with the administrator account )

any ideas what is going wrong ???

You have to be in developer mode

it works… butt the last mention on this link with the desktop icon i dont know whats to do…