{start_tabs} {tab|require-invitations} 1. Configure [allowed authentication methods](/help/configure-authentication-methods). By default, Zulip allows logging in via email/password as well as various social authentication providers like Google, GitHub, GitLab, and Apple. Users can [log in with any allowed authentication method][logging-in], regardless of how they signed up. 1. Invite users by [sending email invitations][email-invitations] or sharing a [reusable invite link][invitation-links]. {tab|allow-anyone-to-join} 1. Allow users to [join without an invitation][set-if-invitations-required]. 1. Configure the appropriate [email domain restrictions][restrict-email-domain] for your organization. 1. Share a link to your registration page, which is https://your-domain.zulipchat.com for Zulip Cloud organizations. {end_tabs} [email-invitations]:/help/invite-new-users#send-e-mail-invitations [invitation-links]: /help/invite-new-users#create-an-invitation-link [set-if-invitations-required]: /help/restrict-account-creation#set-whether-invitations-are-required-to-join [restrict-email-domain]: /help/restrict-account-creation#configuring-email-domain-restrictions [logging-in]: /help/logging-in