Create an account on the HP Community to personalize your profile and ask a question
Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more.
Use the Microsoft tool that I zipped up and attached below that you will need to transfer the ISO file to a USB flash drive or DVD so that it is bootable.
After W8.1 has completed installing, you can install the drivers and available software from your PC's support page.
Be alert for scammers posting fake support phone numbers and/or email addresses on the community. If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".