Answer
You can access Network Director directly by using the following URL:
https://<n.n.n.n>/networkdirector
where n.n.n.n is the IP address of the Junos Space Web interface. You can bookmark the login page for future use.
You can also access Network Director indirectly by logging in to the Junos Space Network Management Platform UI. You can then switch to the Network Director interface by selecting Network Director from the Applications list in the left pane of the Junos Space user interface.
For more information about how to log in to Network Director, see the Network Director user documentation or online Help.