Subscribing to Streams and Accessing Details
Click on the Profile icon.
Choose "Project Settings."

You will be redirected to the Project Settings page.

Navigate to the Subscription section.

There, you can view the list of streams with details such as:

Free Trial Ends On
Status of the stream (Expired or in Live state)
Next Billing Date
Amount to be paid for a year
Subscription ends by when
Premium Subscription is made for which streams
Customer Success Manager for the project
Hover over the "Free" button, and the subscription button will become visible.

Trigger the subscription button to initiate the subscription process, where an email will be sent to the KTern team to start the subscription.