I’m frustrated

VIP wont intsall correctly - Windows 7

I just tried to install my VIP onto my Pc and it said required Windows 7 or later so I went and purchased a new Pc and tried to reinstall VIP and it keeps telling me "fatal error during installation." Ive tried several times and same message appears. is is maybe cause Ive already downloaded program once on a different PC? Please help I'm so anxious to set up my rig.
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