Key Management Service (KMS) Client Serial Numbers [Updated 2023]

The KMS Client serial numbers help you only if you have a KMS Server or use Active Directory based activation. Read more about KMS in our article KMS Overview. This may not yet be translated.

Looking for regular serial numbers for Windows 10, Windows 7, Microsoft Office 2013 or Office 2016? The affiliate links will lead you to Amazon 😉

Update: Now with Windows 10, Windows Server 2016, Office 2016
Update 2: Now with Windows 10 LTSB 2019, Windows Server 2019, Windows Server SAC, Office 2019
Update 3: Now with Windows Server 2022
Update 4: Now with Windows 11 and Office 2021

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What’s new in the Windows 10 LTSC and Office LTSC lifecycle?

20211018 Lifecycle ClientOS DE What's new in the Windows 10 LTSC and Office LTSC lifecycle? 2

Microsoft is changing its product life cycle for the Long Term Servicing Channel (LTSC) for Office and Windows. Some will still know the LTSC version as LTSB. Previously, this Windows 10 version, which was not intended for office environments, had a life cycle of 10 years. Microsoft Office LTSC, also known as Microsoft Office 2016 and Microsoft Office 2019) also had 10 years at the beginning, but this has already been reduced to 7 years with MS Office 2019

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