Product Key Changer is a simple software application that enables users to effortlessly view, change and alter their Microsoft Windows / Microsoft Office Product (CD) Keys. With a neat, easy-to-use interface, Product Key Changer works instantly from a click of the mouse. Not only can 'Product Key Changer' display CD Keys and enable users to alter information, but 'Product Key Changer' also enables users to view the Version and Product identification number of their respective Microsoft product's. Unlike other product key changers, 'Product Key Changer' alterations take effect immediately, meaning that there is no need for a time-consuming PC re-start. In addition, the full version of 'Product Key Changer' has no limitations, no expiration date, and can therefore be used as frequently as desired. Any future updates are also provided to the user fully free of charge for the lifespan of the product.