You can cancel the recurring payment for your Plan on Windows from Services & subscriptions.
Please do the following:
- Go to Services & subscriptions. You might be asked to sign in.
- Find iStudiez Pro subscription and select Payment & billing > Cancel. If you don't see your subscription, make sure you are signed in to the correct Microsoft account for that subscription.
- Follow the on-screen instructions to proceed with cancellation. Check your inbox for a confirmation email.
- You can also find the subscription and select Payment & billing > Change > Turn off recurring billing to avoid being charged again when the subscription expires on its own.
Please follow this link to read more: