Navigate to Communitrak by visiting https://app.communitrak.com. You will need to log in if you haven't already.

Once logged in, click "Members & Groups" and then "Member Groups" in the main navigation menu. This will take you to the page where you can view all existing groups.

From the list of member groups, select the group you wish to manage. This action will open the group's details page.

Within the group's details page, click on the "Members" tab. This tab shows all current members of the group and allows you to add or remove members.

To add a new member to the group, click the "Add Member" button. This will open a new window displaying a list of community members.

Browse through the list and click the "+ Add" button next to any member you want to include in the group. You can add multiple members during this step.

Once you've selected all the members you wish to add, close the "Add Member" window. The members you added will now be part of the group.

If you need to remove a member from the group, find the member's name on the list within the "Members" tab and click the "- Remove" button next to their name.

A confirmation prompt will appear. Confirm you want to remove the member by clicking "Delete." This action will immediately remove the member from the group.