Update widows 10 home edition to professional using the default key
Open Settings > Update & Security Activation Change Product key. Enter this product key in the provided space: VK7JG-NPHTM-C97JM-9MPGT-3V66T Your Windows 10 Home will get upgraded to Windows 10 Pro. But your copy will not be activated. You can use your Windows 8 Pro key to activate it or you can buy a product license key and enter it to get it activated. Clicking on the Go to Store button will take you to the Windows Store , where you can complete your purchase.