I don't think so. My thought is that, just like Win8 to Win10 upgrade plan has never been configured (but you can clean-install Win10), Win 8.1 to Win11 upgradation would need clean-install.
1 License = 1 PC. Another common cause of Windows validation failure happens when you try to install Windows on more PCs than your license allows. For instance, if you purchased a copy of Windows and installed it on more than one PC, online validation might fail because the product key has already been used on another PC.
Better yet, if you have an old Windows 7 or Windows 8 key, you can still install Windows 10 with that old key. Microsoft will give your PC a free "digital license" of Windows 10. Microsoft is being sneaky and continuing Windows 10's free upgrade offer with this method.
Windows 8.1 free license key . If you are searching the internet about Windows 8.1 pro product key, Today you have come to the right place, an attempt was made to share the latest updated Windows 8.1 product key with you.
Upgrade to Windows 10: FAQ - Windows Help - Microsoft Support @@@@@ With Windows 8/8.1 The Product Key on preinstalled Operating Systems (HP, Acer, etc) is embedded in the BIOS in the Motherboard, so that the lost and/or worn C.O.A. Sticker problem is no more. When you reinstall it will pick up the Product Key and activate the system automatically.
An unactivated copy of Windows limits your ability to customize the appearance of the desktop, menus, and taskbar. If you want to upgrade to a licensed version later, you can purchase a Windows 10 license from the Windows Store, ranging from $120 for the Home Edition to $200 for the Professional Edition.
How to Activate Windows 11. When the installation is complete, you'll need to activate Windows 11 before you can use it. Just choose Settings > Security > Activation > Update Product Key > Change Product Key from the Start menu. If you already own a Windows 11 product key, you can enter it and use the software right away.
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