Upgrade dual boot XP Pro 32-bit / 7 Home Premium 32-bit to dual boot XP/7 64-bit versions

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I have a dual boot PC (Windows XP Professional / Windows 7 Home Premium 32-bit) on two partitions on my hard drive.

I have recently installed 8GB of RAM; how I can upgrade the whole configuration to Windows XP Professional / Windows 7 64-bit?

edited Aug 19 '11 at 1:00

Gareth
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asked Aug 18 '11 at 16:43

Mario Schoinas
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Clean install 64bit over the old 32bit partition. – Moab Aug 18 '11 at 17:16

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There is no way to upgrade from a 32 bit version of an OS to 64 bit version. You'll need to install the new OSs from scratch.

answered Aug 18 '11 at 16:46

Traveling Tech Guy
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