In other words, Windows 7 or Windows Vista has a product key comes together with it that is the same for all installations of Windows, differentiate only by editions of Windows.
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.Īlthough end-user does not enter any product key into the system, Windows 7 and Windows Vista uses a default product key to install the operating system.
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.
