This message was posted on behalf of Intel Corporation
Thank you for contacting Intel Communities.
I am sorry to hear you are having issues to install Windows® 8.1 or Windows® 10 on your computer. If you are trying to install Windows® 8.1, 64 Bit, the following information may be useful:
Windows 8.1 won't install on a Pentium D 830. Ideas?
New Windows 8.1 requirements strand some users on Windows 8
NOTE: These links are being offered for your convenience and should not be viewed as an endorsement by Intel of the content, products, or services offered there.
As for Windows® 10, only 3rd Generation Intel® Core™ Processors (Ivy Bridge) and above are validated to work with that OS, more information can be here.
I hope this information helps.