Open your favorite internet browser and navigate to http://localhost:8080/ui/console. This is the default IAM admin users login:
username: zitadel-admin@zitadel.localhost
password: Password1!
ZITADEL_FIRSTINSTANCE_ORG_HUMAN_USERNAME=myuser@my-domain.tldZITADEL_FIRSTINSTANCE_ORG_HUMAN_USERNAME
ZITADEL_FIRSTINSTANCE_ORG_HUMAN_PASSWORD