If you would like to Cancel/Unsubscribe your Monthly or Yearly Billing for ProClient
On your ProClient Homepage click Settings from the leftside menu.
Then you will select Billing
Plan Details
This section shows your Current Plan subscription along with the top features of the plan. Simply click on the Unsubscribe button and this will Cancel the billing.
You also have the option to subscribe to the "Yearly Plan" shown here. The top features of the Yearly Plan are shown to give you a quick comparison.