Unable to activate windows 11 after formatting

[shubham bulkunde]

I bought HP laptop which had windows 11 home preinstalled in it. I had some virus as well as slow speed issue with my laptop and had to format the system which reinstalled the windows. Now, I continuously find an "Activate Windows" or "Enter product key" notifications. I tried to upgrade as well, but nothing's working out. Can't windows recognize the laptop because i reinstalled it from local then why this happening ?Please help me .

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