Windows 7 is pretty old OS but it is staying the most spread one. On this page you can find cases on the topic how to activate Win 7 and make it fully working. There are several options, like activation with product key, extend trial versions, finding free license key or just using special software – Win activator. All these methods are able to activate all versions of OS like Ultimate, Professional and Home edition. If you want to get rid of the text “Your windows version is not genuine” and save money – you are in the right place! The quickest reliable and cheapest method is using win 7 activator. As you see there are several activators to activate win 7 ultimate (and other versions), you can choose any of it and download. In most cases there is even no need to install, just grab the software, open it and click certain button.