Go to the properties of the PC and in the section ' Activation information'Click on' Change product key«.How to activate Windows 7 Ultimate with a key? The activation process with such a code is very simple and is performed in several steps. This material presents windows 7 keys edition Maximumsince this version is the most popular among users. You can, of course, purchase a key in a store or use a 7-ki activator, however, first you need to try to activate using a special key. Very often, if a user gets a message about the need to purchase a license, a black screen and a long system boot, then most do not know what to do with it. Windows 7 key Is the ability to activate a full license of the operating system without using third-party software.
