The Windows 7, Windows Vista, Windows Server 2008 and Windows Server 2008 R2 allow end-user to install the operating system without entering a product key during installation. By not keying in a product key, users get to enjoy 30 days of free usage (rearm to extend to 120 days) without activating the operating system, as initial grace or OOB grace period. Although end-user does not … Continue reading Default Windows 7 and Vista Product Keys