Right-click on the “Command Prompt” and choose “Run as Administrator”.Click on “start” and type “command” on the search option.It may involve entering certain small codes in the command prompt which you can simply copy and paste from the instruction below. You can activate windows using another simple method that also involves using the product key. Furthermore, to activate Windows 10, simply restart your system and check your status. Your license key is now activated on your system. Click on “Next” or “Enter” to activate the genuine license key.Enter the 25 characters Product key (either the one you bought or the one we have provided in our previous blog).Now, click on the “Change Product Key” icon.Choose the “Activation” option from the menu.Click on the “Start” button on your screen.