When you first log in to Teampact, you will be prompted to create a team if you have not already been invited to a team. You can create a team by adding a team name and your team members. If you are invited to a team, you will be able to join the team when you first log in.
Enterprise users can have more than one team and can create additional teams by clicking the + button in the menu on the left. Here you can also create a team by adding a team name and your team members.