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