Hi @Amiraj Lavadiya ,
unfortunate you have to reinstall Windows 10 to downgrade from Windows 10 Pro to Windows 10 Home:
https://answers.microsoft.com/en-us/windows/forum/all/downgrade-from-windows-10-pro-to-windows-10-home/d52645a4-176c-4e80-ab08-c8426e13b023
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(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten