That is where RemoveWAT comes in to save the day. But, what if you don’t have that product key? Then, you will have a basic copy of the Windows product and will not have the advantage of experiencing the full benefits of the product. As we know, the product keys that comes with a Windows product is the 25 characters long code that is needed to activate the product, allowing full access to all of the features. It also protects from counterfeit applications. The Windows Activation Technologies (WAT), which was established with the production of Windows 7, allows the user to confirm that the copy of Windows that is on their computer is a genuine one. 4 Advantages and Disadvantages of RemoveWATĪll Windows operating systems and Windows products come with activation technologies, to ensure that the user is operating a genuine copy of the product.