Will a Vista Ultimate disc upgrade overwrite the 7 RC


  1. WindowsSe7en
    Posts : 15
    Mac OS X 10.8.1
       New #1

    Will a Vista Ultimate disc upgrade overwrite the 7 RC


    I ordered a Vista Ultimate Upgrade disc to get rid of the Windows 7 RC 32-bit. Since 7 is newer, they say it won't work, but I've heard from two sources that booting from BIOS would overwrite 7. Is this true? I don't care if it cleans my HD, I already backed up.
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  3. myzr7
    Posts : 1,797
    Windows 7 Ulti. x64
       New #2

    I think you will need a vista or xp install disc to make it work. Not sure about installing from within win 7 rc to upgrade to a vista ultimate. Good luck to you.
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  4. Tews
    Posts : 11,840
    64-bit Windows 8.1 Pro
       New #3

    You really want to do a clean install when downgrading like that...
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