The STARTER plan comes with one user - you!
If you would like to upgrade your plan to one including team members, you will find all of the plans and pricing details here.
If you want to purchase an additional team member for your existing STARTER plan, you can do that here.
Upgraded to a new PRO or ADVANCED plan? Here is how to add a team member.
Also known as "How to add a team member under a STARTER plan"