Click Team in the left navigation menu.
Then, click Invite members.
On the next prompt, input the email address of your teammate and select a role.
Click the information icon to learn more about the different roles.
If you need to add more than one team member, click + Add a seat.
When you’ve invited all teammates, click Invite member(s).
Your team members will receive an email inviting them to join your team. They’ll need to click on the included link in order to accept or decline the invitation. You can see all your invites that have not been accepted yet in the "Invites" tab.