Your questions answered…
To update Group privacy navigate Group > Edit > General Settings > Privacy > Save to update changes.
To update who can join Group, navigate to Group > Edit > General Setting > Privacy > Save to update changes.
Once created, you can personalise it by accessing your group’s general settings.
|Enable and disable requests to join group
|Anyone can post in Group
|Created or shared posts appear in Global Community Feed
|No – only members can see posts
|Remove group members
|Add and remove Admins