https://learn.microsoft.com/en-us/windows-server/get-started/kms-client-activation-keys?tabs=server2025%2Cwindows1110ltsc%2Cversion1803%2Cwindows81#tabpanel_4_windows8

slmgr -ipk D764K-2NDRG-47T6Q-P8T8W-YP6DF

slmgr -skms 192.168.1.111

slmgr -ato

Windows Server 2025

Operating system edition KMS Client Product Key
Windows Server 2025 Standard TVRH6-WHNXV-R9WG3-9XRFY-MY832
Windows Server 2025 Datacenter D764K-2NDRG-47T6Q-P8T8W-YP6DF
Windows Server 2025 Datacenter: Azure Edition XGN3F-F394H-FD2MY-PP6FD-8MCRC

Windows 11 and Windows 10 Semi-Annual Channel
See the Windows lifecycle fact sheet for information about supported versions and end of service dates.

Operating system edition KMS Client Product Key
Windows 11 Pro
Windows 10 Pro W269N-WFGWX-YVC9B-4J6C9-T83GX
Windows 11 Pro N
Windows 10 Pro N MH37W-N47XK-V7XM9-C7227-GCQG9
Windows 11 Pro for Workstations
Windows 10 Pro for Workstations NRG8B-VKK3Q-CXVCJ-9G2XF-6Q84J
Windows 11 Pro for Workstations N
Windows 10 Pro for Workstations N 9FNHH-K3HBT-3W4TD-6383H-6XYWF
Windows 11 Pro Education
Windows 10 Pro Education 6TP4R-GNPTD-KYYHQ-7B7DP-J447Y
Windows 11 Pro Education N
Windows 10 Pro Education N YVWGF-BXNMC-HTQYQ-CPQ99-66QFC
Windows 11 Education
Windows 10 Education NW6C2-QMPVW-D7KKK-3GKT6-VCFB2
Windows 11 Education N
Windows 10 Education N 2WH4N-8QGBV-H22JP-CT43Q-MDWWJ
Windows 11 Enterprise
Windows 10 Enterprise NPPR9-FWDCX-D2C8J-H872K-2YT43
Windows 11 Enterprise N
Windows 10 Enterprise N DPH2V-TTNVB-4X9Q3-TJR4H-KHJW4
Windows 11 Enterprise G
Windows 10 Enterprise G YYVX9-NTFWV-6MDM3-9PT4T-4M68B
Windows 11 Enterprise G N
Windows 10 Enterprise G N 44RPN-FTY23-9VTTB-MP9BX-T84FV
Windows Enterprise LTSC and LTSB
Windows 11 LTSC 2024
Windows 10 LTSC 2021, 2019
Windows IoT LTSC
Windows 10 LTSB 2016
Windows 10 LTSB 2015
Operating system edition KMS Client Product Key
Windows 11 Enterprise LTSC 2024
Windows 10 Enterprise LTSC 2021
Windows 10 Enterprise LTSC 2019 M7XTQ-FN8P6-TTKYV-9D4CC-J462D
Windows 11 Enterprise N LTSC 2024
Windows 10 Enterprise N LTSC 2021
Windows 10 Enterprise N LTSC 2019 92NFX-8DJQP-P6BBQ-THF9C-7CG2H
Earlier versions of Windows Server
Windows Server, version 1803
Windows Server, version 1709
Windows Server 2012 R2
Windows Server 2012
Windows Server 2008 R2
Windows Server 2008
Operating system edition KMS Client Product Key
Windows Server Standard PTXN8-JFHJM-4WC78-MPCBR-9W4KR
Windows Server Datacenter 2HXDN-KRXHB-GPYC7-YCKFJ-7FVDG
Earlier versions of Windows Client
Windows 8.1
Windows 8
Windows 7
Windows Vista
Operating system edition KMS Client Product Key
Windows 8.1 Pro GCRJD-8NW9H-F2CDX-CCM8D-9D6T9
Windows 8.1 Pro N HMCNV-VVBFX-7HMBH-CTY9B-B4FXY
Windows 8.1 Enterprise MHF9N-XY6XB-WVXMC-BTDCT-MKKG7
Windows 8.1 Enterprise N TT4HM-HN7YT-62K67-RGRQJ-JFFXW