Como instalar o KMS no Windows 2008
O serviço já é nativo do Windows 2008, não é necessário instalar nenhum componente adicional, basta executar os passos abaixo:
To install a KMS host on a Windows Vista or Windows Server 2008 computer
1. Log on to the computer that will serve as the KMS host.
2. Open an elevated command prompt. To do this, click Start , click All Programs , click Accessories , right-click Command Prompt , and then click Run as administrator.
3. To install your KMS key, type the following at the command prompt, and then press Enter:
cscript C:\windows\system32\slmgr.vbs /ipk <KmsKey>
4. Activate the KMS host with Microsoft® using one of the following:
a. For online activation, type the following at the command prompt and then press Enter:
cscript C:\windows\system32\slmgr.vbs /ato
b. For telephone activation, type the following at the command prompt and then press Enter:
slui.exe 4
5. After activation is complete, restart the Software Licensing Service using the Service application.