[windows10] 如何從大量授權主機(KMS Host)、MAK或零售版(Retail)切換至大量授權版 (KMS client)

首先檢查版本
在系統管理員的命令列模式下
slmgr /dlv
對應以下不同的系統，用以下的命令來更換版權
slmgr /ipk <setup key>

Windows 10
WINDOWS 10 Operating system edition
KMS Client Setup Key
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
Windows 10 Enterprise 2016 LTSB        DCPHK-NFMTC-H88MJ-PFHPY-QJ4BJ
Windows 10 Enterprise 2016 LTSB N     QFFDN-GRT3P-VKWWX-X7T3R-8B639

Windows 7 and Windows Server 2008 R2
WINDOWS 7 AND WINDOWS SERVER 2008 R2
Operating system edition
KMS Client Setup Key

Windows 7 Professional        FJ82H-XT6CR-J8D7P-XQJJ2-GPDD4
Windows 7 Professional N    MRPKT-YTG23-K7D7T-X2JMM-QY7MG
Windows 7 Professional E    W82YF-2Q76Y-63HXB-FGJG9-GF7QX
Windows 7 Enterprise           33PXH-7Y6KF-2VJC9-XBBR8-HVTHH
Windows 7 Enterprise N        YDRBP-3D83W-TY26F-D46B2-XCKRJ
Windows 7 Enterprise E        C29WB-22CC8-VJ326-GHFJW-H9DH4
Windows Server 2008 R2 Web   6TPJF-RBVHG-WBW2R-86QPH-6RTM4
Windows Server 2008 R2 HPC edition  TT8MH-CG224-D3D7Q-498W2-9QCTX
Windows Server 2008 R2 Standard    YC6KT-GKW9T-YTKYR-T4X34-R7VHC
Windows Server 2008 R2 Enterprise  489J6-VHDMP-X63PK-3K798-CPX3Y
Windows Server 2008 R2 Datacenter    74YFP-3QFB3-KQT8W-PMXWJ-7M648
Windows Server 2008 R2 for Itanium-based Systems    GT63C-RJFQ3-4GMB6-BRFB9-CB83V

參考來源：

https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/jj612867(v=ws.11)?redirectedfrom=MSDN