The ContourTrace licenses are automatically renewed after they reach their expiration date. If the license is purchased from Stripe, users can use the Stripe customer portal to cancel the subscription or unsubscribe from the license by sending us an email via info@contourtrace.com or our свържете се с нас page. Users can access the Stripe customer portal by clicking on the button “Change a subscription” in the Account management window in the ContourTrace Application.