DiscoverLatest from Windows CentralMassgrave confirms KMS38 activation method has been deprecated by Microsoft as of the latest Windows 11 updates
Massgrave confirms KMS38 activation method has been deprecated by Microsoft as of the latest Windows 11 updates

Massgrave confirms KMS38 activation method has been deprecated by Microsoft as of the latest Windows 11 updates

Update: 2025-11-13
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Users trying to activate Windows 11 using Massgraves KMS38 MAS will find that it no longer works as of the latest OS security updates.
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Massgrave confirms KMS38 activation method has been deprecated by Microsoft as of the latest Windows 11 updates

Massgrave confirms KMS38 activation method has been deprecated by Microsoft as of the latest Windows 11 updates

Sean Endicott