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Upgrading to W7 x64
Hi.
Basically, my Windows was messed up so I re-installed Windows Vista 32 bit onto my computer. My copy of Windows 7 is a .iso from Microsoft and its 64 bit. Whenever I try to run the .iso i get an error message about it being the wrong type of Windows. I'm guessing that this is because I have 4gb of ram but windows vista 32 bit has reduced it to 3gb and I read online that you need at least 4gb to run Windows 7. How do I go about re-installing Windows 7?
P.S. I had this exact copy of Windows 7 on my computer before so I know that it will work, I just need to know how to re-install it.
Thanks.