How to activate Windows 8 without Key Management Serverhttp://developers.de/blogs/damir_dobric/archive/2012/09/05/how-to-activate-windows-8-without-key-management-server.aspxFor some reason my Enterprise Version of Windows 8 didn’t activate properly, because of some Key Management Server (KMS) issues. If you are administrator, open the command prompt (as admin = without UAC) and execute following:enCommunityServer 2008 SP1 (Build: 30619.63)