If you've encountered a strange watermark on your Windows 10 or Windows 11 desktop, then you currently don't have a valid license to use Windows on your machine.

Why do this? Lol Partly because of people like me that would buy $5 windows 7 keys on key reseller sites and use them to activate windows 10/11 on new PCs.

Image credit: Windows Latest In the latest test builds of Windows 11, a watermark that reads "system requirements not met" appears above the taskbar clock alongside the pre-release build number.

It is reported that a watermark is displayed on the desktop of the updated PC even though it does not meet the system requirements of Windows 11.

What are the limitations or disadvantages of using unactivated Windows 11/10? Here is a list of all the problems you may face.

At times, it is difficult to activate Windows 11 or Windows 10 OS. One such Windows Activation error comes with an error code 0xC004F012.