Hi @Ankita Sharma ,
The PC Health Check is correct and unfortunately, i7 7Y75 CPU processor is not compatible for Windows 11.
You'll find the Microsoft's official Windows 11 list of supported Intel processors over here:
https://learn.microsoft.com/en-us/windows-hardware/design/minimum/supported/windows-11-supported-intel-processors
You may always provide feedback and request your processor to be supported by using the Feedback Hub app:
https://support.microsoft.com/en-us/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332
It is still possible to install Windows 11 although your processor is not officially supported, use your favourite search engine and you'll find articles/blog posts on how to accomplish this.
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, thank you!
Best regards,
Leon