From INSIDE THE SUBSCRIPTIONS PORTAL, click the "Payment Methods" tab (yellow arrow below).Click the arrow next to the payment method to which you want to move subscriptions (green arrows below).Click the "Move subscriptions here" button (orange arrow below).Unclick any subscriptions which you do NOT want to move to this payment method (purple arrows below).Click "Move subscriptions" (black arrow below).If you decide not to move any subscriptions at this time, click "Skip for now" (pink arrow below).