Query about installing W7

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16 Jun 2009
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809
Ok ive for W7 home premium on my PC (non oem disc) , windows vista 64 on my laptop. Now ive ordered an upgarde copy of W7 Pro for my PC as it has a few bits i want.

Question is can i reinstall my original W7 Home Premium disc on my laptop? Will it register the key again? I know oem discs can only go on one machine, can i deregister it and install a proper version on another machine?

*edit* i think a post below has answered this.
 
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