I am using program that comes Office 2010 Home And Business Keygen and I am considering getting Windows 7. I have been shopping online and I have found Office 2010 Serial and Windows 7 Upgrade. When I think of an upgrade, I think of it as something to improve Office Professional 2010 Keygen I already have. Is this the case with Windows 7 Home Premium Activation? Is it an improvement on Windows 7? If so, why hasn't the upgrade been integrated with the Windows 7 software?