Microsoft's recommended option is to move to Windows 10 which our or most secure, always up-to-date offering.
For organizations who need more time, we have a couple options. Virtualization through Azure WVD provides you with the flexibility and scalability of the cloud. Windows 7 Extended Security Updates are included at no additional cost with your Azure WVD subscriptions. You can learn more about Azure WVD at this website: https://azure.microsoft.com/en-us/services/virtual-desktop/