Hi Paul,
I'm Dyari. Thanks for reaching out. I will be happy to assist you in this regard.
Windows 11 only runs on computers that have 8th generation processors or above, your computer's processor is 2nd generation.
https://docs.microsoft.com/en-us/windows-hardwa...
Why Doesn't Windows 11 Support My CPU?
https://www.howtogeek.com/739029/why-doesnt-win...
If your computer does not meet W11 system requirements, Installing Windows 11 is not recommended. If you choose to install Windows 11 on ineligible hardware, you should be comfortable assuming the risk of running into compatibility issues.
https://support.microsoft.com/en-us/windows/ins...
Ways to install Windows 11:
https://support.microsoft.com/en-us/windows/way...
Please let me know if you need further assistance and have a nice day.
Stay safe
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