The Office 2013 KMS host is supported on Windows Server 2008 R2, Windows 7 VL edition, Windows 8.1 VL edition, Windows Server 2012 R2, and Windows Server 2012 R2 for Embedded Systems.If you plan to deploy Windows 7 and/or Office 2010 by using Key Management Service (KMS) as the activation method, please note.Windows Server 2008 is not supported as a KMS host to activate Windows 7 and Office 2010.A patch is available to allow activation of Windows 7 client machines. Most likely, Office 2013 will use the same method.KMS and MAK activationThe KMS and MAK activation processes for Office 2013 are basically the same as they were for Office 2010, except that the Office 2013 KMS host is not supported on Windows Server 2003. To help determine which activation method to use for Windows, see the.