To manage users, click your initials in the top right, then Users & Teams
Detach existing users
Find the user you wish to remove and click the three dots to the right of their details.
Click Detach. This will remove them from the account and they will no longer have access to the platform.
Add new users
Click Add user.
Enter the user's name, email address and set their role to Admin.
They will then be sent a welcome email inviting them to join the platform, with instructions on how to log in.