After the installation you should complete the steps described below within 30 days if automatic activation does not work. If you already have entered a MAK key ...
Switching a machine from MAK to KMS requires use of the Windows command line. You will need to issue Visual Basic commands to replace the existing MAK product ...
You must have a qualifying operating system license AND a Volume license Windows 7 upgrade license, or a full license for Windows 7 from a retail source. ANY ...