●From the Zotero website after you have logged in, click on groups at the top of the page.
●From that page click on Create a New Group which is in blue directly below the words Zotero Groups.
●From here you can choose to make your group private or public. If you chose to make it private, then click on group settings and then member settings.
●At the bottom of the page your will see a button that says sends more invitations. From there send the invitations to your group members.