install windows on an hp pavilion 9870.?

I have this old hp desktop that I want to format the hard drive and install a newer version of windows on it.I do not know how to get it to boot from the disk drive.what Button do i push on start up to set boot drive.

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  • Alex
    Lv 4
    1 decade ago
    Favorite Answer

    during the boot press F1 button. then go to BIOS setup and change boot priority.

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