Now the problem comes after you update Windows because it required activation after 30 days. Because this Windows 10 comes with the 30 days of free trial after it expires you will then need to purchase a license key and activate it.
Otherwise, you will be restricted from using several features like changing the theme, installing some applications, won’t get updates that may harm your PC as well.
Here question arises that is there any way to activate Windows 10 without purchasing a product key? The answer will be simply Yes, read this guide completely where I will tell you how you can do it by yourself as well.