
Windows 10 uses its own unique product key.
A Windows 7 or Windows 8/8.1 product key cannot activate Windows 10. Understand and Fix Windows 10 Product Key Activation
How to Find Your Product Key After Upgrading to Windows 10. How to Find Your Windows 10 Product Key. For more on activation issues, take a look at these articles: Update: This was written for issues when Windows 10 was initially released in 2015. Regardless of this, product activation remains a part of Windows 10. In this article, we take a look at product activation and troubleshooting steps. Check this guide to learn how to configure this feature.The most notable being that Windows 10 is free for existing Windows 7, 8/8.1 users for the first year. Xbox One includes a similar feature that allows the console to dim the screen and act as a screen saver to prevent burn-in on OLED and other display technologies. Once you complete these steps, Windows 10 will activate the screen saver using the settings you specified. You can also check the On resume, display the logon screen option to lock your device automatically when the screen saver turns on. Using the Wait option, you can set the number of minutes of inactivity before the screen saver turns on. Or selecting the "3D Text" option, you can show custom text or the current time. For example, selecting "Photos", you get options to specify the collection of pictures to show when your PC is idle. Note: Depending on the screen saver you choose, you can click the Settings button to customize different options. Under "Screen saver," use the drop-down menu, and select the screen saver you want to use. If you want to use the screen saver feature on Windows 10, use these steps: How to set up screen savers on Windows 10 In this Windows 10 guide, we walk you through the steps to set up the old screen saver feature on your device. VPN Deals: Lifetime license for $16, monthly plans at $1 & more