Hello @Shahariar Raza
Welcome to Microsoft Q&A Platform,
You can check the compatibility list of CPU for Windows 11 here:
https://learn.microsoft.com/en-us/windows-hardware/design/minimum/supported/windows-11-supported-intel-processors
If your processor is not supported you can report it via Feedback Hub:
https://support.microsoft.com/en-us/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332
I hope this helps!
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