That depends on the phone/tablet, whether or not it's been rooted, and whether or not someone has been able to create a port. It's unlikely you'll be able to do it.
There should be remote management apps (apps that let you control your windows 7 desktop or laptop over the network) available for the various platforms. Quick search in the marketplace should get you the right info. This is the closest to getting windows 7 on your android.
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