If you purchased your Malwarebytes product from our online store, by default auto-renewal is enabled. Auto-renewal ensures uninterrupted service for your Malwarebytes products.
We will notify you via email at least 30 days before your renewal with the amount charged to your authorized payment method. On successful completion of your payment, your subscription is active for another year.
If you purchased your Malwarebytes product from a retail store, you will receive a renewal notification in the Malwarebytes application 30 days before your subscription expires. Follow the prompt to renew your subscription online.
To change your auto renewal status, see this article.