1. Login to your account, click on the Community tab and on the drop down menu, click on Groups.
2. Find the group you wish to join by clicking on Sector List.
3. Or by sorting groups by: Trending - Popularity - Created Date - Updated Date
4. When you find the group you wish to join, click on the name of the group. You are taken to a home page for this group that includes a Join tab (for public groups) or Request Membership tab for Private group. For private group, your request to join will be sent to the group's owner and you will be provided with confirmation that your request has been sent.