Hello, My current platform is Athlon3K running vista home pre. 32 bit - I have upgraded to win 7 64 bit but it won't install. there was no mention of this problem when I purchased the upgrade - any easy solutions with what I have?
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You cannot upgrade from 32 bit OS to 64 bit OS. You'll have to do a fresh install, i.e. wipe everything and then install W7.
I'll back up buwish just in case you don't believe him. What he said is exactly true.