To invite team members to your workspace, you first need to have a workspace created. 

If you have not yet created a workspace, click here. 

Step 1: Click on your user name and select Team from the menu. 

Step 2: Click the Invite User button. 

Step 3: Enter an email address, select workspace(s) and permissions, and send invite.
Data

When your invitee receives their invite, they have 24 hours to respond before the email expires, but if it does, you always have the option of sending another invite. 

For more information on user role details, click here.