Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Please provide more information on your requirements.
Have you purchased a subscription to Microsoft 365, and you want to disable Recurring billing on the subscription so the subscription does not automatically renew, if so, log into your Microsoft account on this link:
https://go.microsoft.com/fwlink/?linkid=2277073
Click Manage on your subscription and on the left, you can disable recurring billing.
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Or do you want to end a Microsoft 365 subscription and switch to a one-time payment version of Office 2024?
If so, there are a few different versions of Office 2024, what Office apps (Word, Excel, PowerPoint... etc.) do you use?