You can no longer activate new Windows 11 builds with Windows 7 or 8 keys - Neowin

Free upgrade from Windows 7/8 to Windows 10/11 has ended - GIGAZINE

Let's install Windows 11 on incompatible hardware, Page 75

Lost Activation win11 pro

Microsoft Windows 7/8 product keys can no longer be used to activate Windows 10/11

You can no longer activate new Windows 11 builds with Windows 7 or 8 keys : r/windows

Here are the known issues with Windows 11 build 22000.51 including no Android app support - Neowin

The Windows 10 FAQ

Lost Activation win11 pro, Page 2

Neowin's 7 Days of Windows 10 and more Windows 10

Change your Windows 11 or Windows 10 to Windows 7 or Vista with this single command - Neowin

Upgrade directly to the latest build of Windows 10 from Windows 8 or Windows 7 - Neowin

Tag: Windows 8 - Neowin

Microsoft says you can't activate Windows 10/11 with old Windows 7/8 keys anymore, Page 6