Point your browser to http://<your.ambari.server>:8080,where <your.ambari.server> is the name of your ambari server host. For example, a default Ambari server host is located at http://c6401.ambari.apache.org:8080.

Log in to the Ambari Server using the default user name/password: admin/admin. You can change these credentials later.

For a new cluster, the Ambari install wizard displays a Welcome page from which you launch the Ambari Install wizard.