Originally Posted By: drakino
To answer your original question, it looks like you have to have an activated install of Windows XP, Vista or 7 RC present to use an upgrade disc.

Ouch, not as good as I'd hoped. I mean, the first installation will be fine, as all three computers in our home now have 7 RC on them, but I'll have to figure something out if I want to reinstall after spring of next year.

I do think it's highly annoying that, in the future, I'll need to completely install an old OS, then install the upgrade.
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Matt