The link in the email invite expires after 72 hours. If you set up your account and can't log in or the link has expired, contact Support. If you were invited by another user and the link has expired, ask that user to send you a new link.

Two-factor authentication is optional. Follow these steps to set it up or click I do not want 2-factor authentication. You can always set it up later. Check your company's security requirements to find out if you need to enable it.