If you're seeing the messages, all went well and you have successfully installed NATS.
Now, let's discover some more advanced options.
NATS HA setup
To setup your cluster in HA manner, you need to customize NATS Helm charts. Fortunately, values.yaml have most of the features available as easy values customization and there should be no need to manually tweak the templates.
One way to do it is to create your own .yaml file with changed only values:
helm install nats nats/nats --values ha.yaml
Similarly to HA, enabling JetStream requires changing few values: