get current version;
dism /online /get-currentedition
Deployment Image Servicing and Management tool
Version: 6.2.9200.16384
Image Version: 6.2.9200.16384
Current edition is:
Current Edition : ServerStandardEval
dism /online /set-edition:ServerStandard /ProductKey:xxxxx-xxxxx-xxxxx-xxxxx-xxxxx /AcceptEula
Deployment Image Servicing and Management tool
Version: 6.2.9200.16384
Image Version: 6.2.9200.16384
Starting to update components…
Starting to install product key…
Finished installing product key.
Removing package Microsoft-Windows-ServerStandardEvalEdition~31bf3856ad364e35~amd64~~6.2.9200.16384
[==========================100.0%==========================]
Finished updating components.
Starting to apply edition-specific settings…
Finished applying edition-specific settings.
The operation completed successfully.
Restart Windows to complete this operation.
Do you want to restart the computer now? (Y/N)
note : you must change evaluation edition to standard before promoting to a domain controller. you cannot change a DC in eval mode to standard and are forced to demote the server before changing the edition.