How to enable Activity for Groupjive

Hi ,
I installed Groupjive + Activity .
But I don't see the activity tab in my groups.
How do I enable it please ?
Thanks

Install CB Auto Actions then within CB Auto Actions > System Actions publish the stream action for GJ.

Ok thanks

I installed Auto Actions Plug-in.
But when I look in "System Actions" : there is nothing.
So I am unable to publish anything as nothing shows up.
What did I miss ?

I reinstalled Auto Actions, but this time taking the zip files from the "Presets" Category.
Now I see the 78 "System Actions" presets that I can publish or unpublish.

But to be honest, it is not clear at all to understand the differences of zip files in the Download section.
Evenmore, unless I am mistaking, the zip files of Auto Actions in Category "Plugin" or "Presets" have the exact same name.
That means it is impossible to tell which one is which !

In that sense, should I reinstall all from "presets" (like GroupJive for exemple ?) ?

Reinstalling Auto Actions addon from the Presets category solved the pb