You can change it using PowerShell
Server 2012′s system properties do not allow you to change the Product key.
To change this you need to open power shell in privileged mode and enter the following cmd’s. slmgr -upk (this removes the current Product Key)
slmgr -ipk XXXX-XXXX-XXXX-XXXX (this installs the new Product Key)
(c) 2018 aJax Technologies, Inc. All rights reserved.
Bad Behavior has blocked 4854 access attempts in the last 7 days.