From Windows 11 gets a new desktop watermark on unsupported hardware:
The new desktop watermark will state “System requirements not met. Go to settings to learn more.”
Microsoft is pushing ahead with plans to warn Windows 11 users that have installed the operating system on unsupported hardware. In a new update to Windows 11, a watermark has appeared on the desktop wallpaper for unsupported systems, alongside a similar warning in the landing page of the settings app.
The new desktop watermark will state “System requirements not met. Go to settings to learn more.”