How to activate your Windows without the serial key, this is what you will learn in this article. If you are not able to find working serial key for Windows then read the rest of article to activate Windows without serial keys.
You can still change your wallpaper in other ways, however. For example, you can right-click an image in File Explorer and select “Set as desktop background.” You could also open an image in the Photos app, click the menu button, click “Set as,” and click “Set as background.” Windows 7 eventually switched you back to a black background, but Windows doesn’t seem to do this.
Windows 7, 8, and 8.1 worked the same way. Microsoft just didn’t officially allow you to download Windows without a product key, and there was no way to fully upgrade to a licensed system from within Windows. That makes this all the more tempting with Windows.
Follow the steps below to activate Windows 10 without serial key
Following are the simple steps to activate Windows without the serial key: