What I want: To install Vista x64 Ultimate
What I DO have: Working XP x86 Pro SP2, Image file of the DVD(copied
the dvd on one of my friends' PC)
What I do NOT have: DVD drive(that's bad, I know

), removeable
media, capable of mounting the DVD.
So, I copied the Vista Ultimate x64 DVD to an image file. So far so
good. But x64 Vista can not be installed over x86 XP. The only chance is
to boot from the DVD. But the virtual drive I mounted it on is not
available on boot-time. I tried to copy the files on HDD, but I can not
boot from it, every time XP gets started instead of Vista set-up.
What should I do??
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ronnin426850