You can manage your organization by clicking your avatar in the upper right corner and choosing Settings, then visiting the Admin Settings section.
Step-by-step
Managing team members
Visit Admin Settings | People to invite new team members, change team member roles, or deactivate team members.
Learn more: Managing team members
Configuring workspace defaults
Flat workspaces have optional features, like due dates, sizes/estimates, and priorities, that you can turn on or off individually for each workspace in your organization.
To configure the defaults used for new workspaces, visit Admin Settings | General.
Setting up integrations
Visit Admin Settings | Integrations to manage your organization's integrations.
Learn more about integrations: Discord, Figma, GitHub, Loom, Miro, Mural, Slack, Zapier.