@Maloto Nyirenda Thanks for posting in our Q&A.
For this issue, it is not related to windows 365. Windows 365 is a cloud-based service that automatically creates a new type of Windows virtual machine (Cloud PCs) for your end users.
This issue is more related to microsoft 365 payment issue. Payment issue is not supported in this Q&A forum and I'm not a support engineer of it. Based on my research, I find that this article shows manage payment methods:
If you want to get more accurate help, it is suggested to get support for Microsoft 365 for business. Here is the support link:
Thanks for your understanding and hope everything goes well with you.
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