Note: This
document assumes the Windows Server 2012 R2 is running the VA Services Role
(KMS Server) if it is not install the Role and follow these steps.
Update Windows 2012 R2 to support activating Windows 10
https://support.microsoft.com/en-us/kb/3058168
Call Microsoft Volume Licensing to get Windows Srv 2012R2 DataCtr/Std KMS for Windows
10 Key
Support Center
Contact Info
Country: United States
Email(s): vlserva@microsoft.com
Toll Free Number(s): (866) 230-0560
Hours of Operation: 5 AM – 5 PMPST Mon - Fri
Languages Supported: English and French
Login
to VLSC
In
VLSC - click License, then Relationship Summary.
Now
click the License ID of your current Active license.
Once
the page changes, click Product Keys.
Scroll
down the list and look for "Windows Srv 2012R2 DataCtr/Std KMS for Windows 10".
Use this key.
Add the new key you obtained by
calling Microsoft Volume Licensing
Open
an elevated command prompt (admin)
slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
(replace with your Windows Srv 2012R2 DataCtr/Std KMS for Windows 10 KMS
Key obtained above)

slmgr /ato

slmgr /dlv

Add the Windows 10 KMS Client Key to your
clients:
Windows 10 Professional
|
|
W269N-WFGWX-YVC9B-4J6C9-T83GX
|
Windows 10 Professional N
|
|
MH37W-N47XK-V7XM9-C7227-GCQG9
|
Windows 10 Enterprise
|
|
NPPR9-FWDCX-D2C8J-H872K-2YT43
|
Windows 10 Enterprise N
|
|
DPH2V-TTNVB-4X9Q3-TJR4H-KHJW4
|
Windows 10 Education
|
|
NW6C2-QMPVW-D7KKK-3GKT6-VCFB2
|
Windows 10 Education N
|
|
2WH4N-8QGBV-H22JP-CT43Q-MDWWJ
|
Windows 10 Enterprise 2015 LTSB
|
|
WNMTR-4C88C-JK8YV-HQ7T2-76DF9
|
Windows 10 Enterprise 2015 LTSB N
|
|
2F77B-TNFGY-69QQF-B8YKP-D69TJ
|