Adding new users and teammates to your Archive account is a simple process.
Invite team members
Under "Invite your teammates," enter the email to invite
Click Invite
Repeat the process with as many team members you'd like to invite
Accept invites as a new team member
The teammate you invited will get an email.
They must click accept the invite in the email.
If they are a new user, they'll have to change/create a new password:
Then they can access the account and will be taken to the content deck.