Microsoft Windows Server is an operating system built by Microsoft and is the successor of Windows Server It is the server-edition of Windows 10 and is available since September Microsoft is now using a core licensing model for Windows Server (as it is done also for the SQL server).Editions · Minimal System. Windows Server is a server operating system developed by Microsoft as part of the . Windows Server Standard and Datacenter core licensing now covers a minimum of 8 core licenses for each physical processor and a minimum of Latest release: () / Sept. Windows Server is here. Get the cloud-ready operating system today to apply another levels of security and innovation to the applications and. Dec 11, - Windows Server is available in Standard and Datacenter Editions. Additionally, Microsoft has released Hyper-V Server , which is a.