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why can't i install windows 8.1 ?

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Microsoft Windows 7 (64-bit)

Windows 8.1 pro will not install in this PC, using a dvd. Loads all the way error message at the end windows 8.1 will not load

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Hi @bionicbill

Welcome to the HP Support Community.


To assist you better, what model HP Computer are you using?

Refer to this document to know how to find the Product Name or Product Number.


For more info on upgrading the OS, kindly refer to this document.


Keep me posted.

I am an HP Employee

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Dear Bionicbill,

 As Kumar mentions - we have insufficient information to respond in depth or detail. We need your computer type/number CPU and HDD/SSD type/rating; in addition to the full version and edition of the Windows OS you are presently running.


 With these folk have the basics to formulate responses, based on possible causes - although it is not a HP hardware/unit fault/problem. We will still answer, to the best of our knowledge (lot of very smart people here).


 I suspect - but do not know (lack of detail) the most likely cause of that particular MS Windows installation error - is if you are trying to Install a "pro" edition, over a "home" or different/other edition. MicroSoft installers stop the over-install or upgrade process if there is an edition mis-match.


 It does not matter if you select "Install" , because the msi installer will still treat it as an upgrade - unless you are installing to a completely new or formatted blank, Hard Drive. I do not know if Win 7 & 8.1 will run-on/install to a Solid State Drive (SSD); might but the drivers will give trouble (not designed for SSD).




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