Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Windows Learning is this one https://www.microsoft.com/en-us/windows/learning-center and this is not related to a Microsoft 365 subscription.
If there is an issue with your account, you can reach out to the support team at https://support.microsoft.com/en-us/contactus/ and then click on Microsoft 365 and then click Get Home Support and then type in Billing question and click the blue button that says Sign in to contact Support and login and proceed from there.