How to duplicate objects

Hello guys. How do I duplicate an object in I-doit 1.12 (Revision 201811200)? This does not work:
https://kb.i-doit.com/display/en/Duplicate+Objects

Hello guys. How do I duplicate an object in I-doit 1.12 (Revision 201811200)? This does not work:
https://kb.i-doit.com/display/en/Duplicate+Objects

Nobody?

franknagel

This seems to be a feature of the chargeable PRO version.

Schilder

It would be VERY NICE from i-doit if they could put a banner or a note somewhere in articles where a user can see if it's a pro or a non-pro feature.

We were looking for 2 Hours for that button...