1. Click 
on the toolbar;
Or, go to Run --> Deploy node type from the top menu.
2. Select a required node type format in the Deploy Node Type form.
3. Select the action in case such node type already exists:
ignore if exists: if the pointed node type already exists, the creation operation is ignored.
fail if exists: if the pointed node type already exists, the creation operation fails.
replace if exists: if the pointed node type already exists, the existing one will be replaced.
4. Click Deploy.
If the node type has been deployed successfully, you will see the message Node type is successfully deployed. Otherwise, the error message will be shown.
Note
At present, the CND format is not supported for the deploy operation.