Go to «My services».



In «List of services» do sorting by «Auto following».



Put a tick in front of the auto following service and click on «PROLONG/UPGRADE SELECTED».



To prolong the service select «-» in the «Upgrade» column and select «30 days: 0 USD» in the «Prolong» column, then click on «Next».



To upgrade the service select a tariff plan in the «Upgrade» column and select «30 days: 0 USD» in the «Prolong» column, then click on «Next».



Select cryptocurrency for payment, go through reCAPTCHA and click on «Done».



You will see a window with «Order is processing…».



Wait until the order is completed.