After being connected, switch to Cluster Console by selecting it in the drop menu located at the topbar:

Run container image hello-openshift in a pod called example:
Go to Workloads > Pods and click Create Pod:

Paste this code:
apiVersion: v1
kind: Pod
metadata:
name: example
labels:
app: hello-openshift
namespace: rahtidemotest # Must match your namespace / project name
spec:
containers:
- name: hello-openshift
image: openshift/hello-openshift
ports:
- containerPort: 8080

Click Create
Get the standard output of the container by going to Applications > Pods
Click on your Pod (should be example) and go to Logs tab.
You should see this:

On the pod page, click Action > Delete Pod