I had purchase a new computer that came with Windows 7 Home Premium. I want to setup remote desktop and for that I had selected Anytime Upgrade option. I had in that selected Windows 7 Professional for the license key. I had selected key and that was accepted by the same. After some week again the activation message came on the screen saying that I need to activate windows. Again after entering the same key the key was rejected. It gave me message saying invalid product key.