MontarServidorKMS
De Slacam_Wiki
Como montar um servidor de chaves KMS para licenciamento do Windows
Siga o link:
https://github.com/SystemRage/py-kms
https://nedimmehic.org/2017/02/17/how-to-find-windows-product-key-allversions-of-windows/
Passos rápidos para limpar a chave antiga:
cscript.exe c:\windows\system32\slmgr.vbs -upk
cscript.exe c:\windows\system32\slmgr.vbs -ipk "CHAVE KMS NOVA"
cscript.exe c:\windows\system32\slmgr.vbs -skms o.seu.servidor.kms.com
cscript.exe c:\windows\system32\slmgr.vbs -ato