helm repo add [REPO] https://checkmk.github.io/checkmk_kube_agent
Example:
helm repo add myrepo https://checkmk.github.io/checkmk_kube_agent
helm upgrade --install --create-namespace -n [NAMESPACE] [RELEASE] [REPO]/checkmk
Example:
helm upgrade --install --create-namespace -n checkmk-monitoring checkmk myrepo/checkmk
For more details on the installation please visit the official Checkmk documentation.