OPCIÓN 1 sc config LicenseManager start= auto & net start LicenseManager sc config wuauserv start= auto & net start wuauserv changepk.exe /productkey VK7JG-NPHTM-C97JM-9MPGT-3V66T exit exit OPCIÓN 2 Once the Command Prompt is open, we must type the command "slmgr -xpr" and then press ENTER . A confirmation message will appear and then we can close the Command Prompt window. The next thing is to open the START MENU , click on SETTINGS and then on Update and Security. There we go to the ATIVATION section and click on the “Change product key” option. There we must enter the following: NRG8B-VKK3Q-CXVCJ-9G2XF-6Q84J.