:For older agreements, keys can still be found at the Volume Licensing Service Center. Navigate to the Downloads and Keys tab to locate your CSVLK. How to Install and Activate the KMS Host Key
: A KMS host will not begin activating clients until it reaches a minimum count: 25 computers for Windows client OS or 5 computers for Windows Server. Need KMS Key - Microsoft Q&A kms host key download
: Select Install your KMS host key , paste your 25-digit CSVLK, and click Commit . :For older agreements, keys can still be found
: Run vmw.exe from an elevated command prompt to launch the wizard. :For older agreements