First, navigate to the “Your Team” page.
It may be under the “Your Company” section of your app.

Next, select “+ Add User” at the bottom of the screen

You can then fill in all of the necessary fields for the user.

For the user role, simply select one from the popup that appears.
Make sure to select the proper user role, as this dictates the level of access this user will have.

When you’re finished, press “Add User” at the bottom of the screen.

Now the user is added!
The new user will receive an email notifying them that they have been added as a user, including a link to log in.
You can press “+ Add Another” to quickly start adding another user.
Press “Finish” to dismiss the popup.

Learn more about editing team member settings here:
Edit Team Member Settings