Yearly Subscriptions have been discontinued as of September 11, 2020. All the Yearly Subscriptions purchased before September 11, 2020, are valid for the whole duration, and you can see the valid through the date in your profile.
Yearly Subscriptions cannot be renewed. Once your Yearly Subscription runs out, you will have to purchase a new subscription in order to continue using BuildStore.
Once you are in the "Current Device" tab here https://builds.io/device/, please click the "Renew Subscription" button, and you will be taken to the payment page where you can purchase a new subscription.
Monthly Subscriptions are automatically renewed on a monthly basis. No action is needed to continue using BuildStore unless you have canceled Subscription and recurrent payments in your PayPal account and if BuildStore has successfully received your monthly payment. In case PayPal cannot process your recurring payment, your account can be frozen.