Windows is not completely open for all, just for Linux or macOS. If you’re a new Windows user, you may be confused about why everyone wants a key? So if this is the issue on your mind, then the easy answer to that is here. Isn’t it an odd sound? It is, of course, so let’s search the article until the end. In this trick, without getting a product key, I will share a method of enabling your Windows 10, 8, 8.1, and 7. How To Activate Windows 10 Free Without Product Key?.