Windows 10: Unable to Remove Activation Watermark on Windows 10 Using Valid Windows 7 Product Key

Hi everyone,I've been grappling with this issue for almost a year now, and I'm hoping someone here can shed some light on it.I recently upgraded my old laptop from Windows 7 to Windows 10. Although my laptop isn't capable of running Windows 11, it still performs exceptionally well for my everyday needs, especially for using office applications.I have a genuine Windows 7 product key from my school days, and I was aiming to use it to activate Windows 10 and remove the persistent activation watermark. Here's the situation in detail:System Information:Laptop Model: Dell Inspiron N5050Processor: In

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Installing Windows 10 using Windows 7 key

Nope, you need to install Windows 10 first and make sure the Windows 7 key is transferred to your Windows account after you've installed Windows 10 (not quite sure how that works). I missed the last step and I could not activate Windows 10 after a re-install... Microsoft seem to have done everything they can to make it a PITA. Also, it's technically too late to do this now anyhow, as the upgrade offer has expired. But KMSPico works quite well...

As for getting rid of Windows, delete the Windows folder.

 

Windows is not activated with valid product key

I bought this license and activated this Windows like 1 or 2 years ago, and it's a valid key, I had my Windows Activated and everything works perfectly until today when I saw a watermark at to bottom corner asking me to Activate Windows.

I tried to reenter my product key but it says that I do not have a valid product key and refuse to activate my windows

Is there any solution for this?

P.S. I didn't reinstall my Windows or make any hardware change

 

Windows is not activated with valid product key

The same with me exactly today. I made a call to Microsoft and they ask about my phone number, my email, and name just to say that they cant do nothing at this time, cause a problem is really happening with the activation center server. Unbelievable.