You can add a worker to Cudo Miner by clicking ‘Connect a device’ button in the device summary card on the dashboard. This button is also available from the device details page.
From the connect a device page, follow the steps to connect your worker to Cudo Miner.
It is important to note that the Cudo Miner desktop app will have to be installed on the new device in order to add this to Cudo Miner.