1. jgw1283, Aug 20, 2012

   jgw1283 macrumors regular

   

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   Tempe, AZ

   #1

   I have XP and Vista Ultimate upgrade disc. Can I buy Win7 upgrade or do I need the full version?
   
   Also 32bit or 64 bit? I have a new 2012 cMBP

    

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2. strukt, Aug 20, 2012

   strukt macrumors member

   

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   Norway

   #2

   You need the full version. 64 bit should be good.

    

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3. balamw, Aug 20, 2012

   balamw Moderator

   

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   New England

   #3

   Actually you can use an upgrade version.
   
   Here's a guide that might help: http://www.winsupersite.com/article/windows-7/clean-install-windows-7-with-upgrade-media-128512
   
   Boot Camp Assistant may not like the disc, but you can easily work around that.
   
   B

    

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4. jgw1283, Aug 21, 2012

   jgw1283 thread starter macrumors regular

   

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   Tempe, AZ

   #4

   thanks for the info

    

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