Use Windows 10 Settings to verify if Windows 10 is activated or not 3. Use This PC Properties to check if Windows 10 is activated or not 2. Here this article will show you 4 simple and easy ways to check if Windows 10 is activated or not on your Computer. If Windows 10 is not genuine, we may need to activate it to get the full performance. How to see if Windows 10 is activated or not in our PC devices? When we bought a PC device with Windows 10, upgrade to Windows 10, or reinstall Windows 10, we may want to check whether Windows 10 is genuine or not. How to Verify If Windows 10 Is Activated or Not