Microsoft has the depth and depth to assist customers and help them exit Office 365 and their technology investments. However, with your Microsoft Office 365 subscription, you get a global network of experts with decades of knowledge about Microsoft productivity and collaboration tools, for our enterprise customers through Premier Support for Office 365 and Microsoft Services and Recommend more support services. In addition, all organizations have access to self-help and IT-level assisted support options to meet their specific needs.
More info: https://microsoftsupport2.blogspot.com/2019/09/how-to-activate-your-windows-10-license.html