📎 AI Summary:
The thread discusses how to upgrade from a 32-bit to a 64-bit version of Windows 8 Pro using the same product key. The original poster asks for guidance on downloading the 64-bit version, noting their existing 32-bit install. Responders explain that the installation media will match the current system architecture, so they recommend creating a 64-bit installation using the Windows 8 Upgrade Assistant from another 64-bit PC, either via ISO or bootable USB, as the most effective approach. The overall tone is helpful and informative, focusing on legit methods to perform the upgrade.
Curious

Curious

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Mar 2, 2010
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Thread Author #1
Hello,

I bought Windows 8 Pro in Microsoft Site and i have a Windows key.
My Windows 8 is 32 Bits but i see now that my computer supports 64 Bits.
How and where i can download Windows 8 Pro 64 Bits with the same Key, to install and test it?

Best Regards an thanks for your replies,

Curious
 

Solution
M
To add to what patcooke said, there is unfortunately no legitimate direct links on the web as there is for Windows Vista/Windows 7, so running the Upgrade Assistant from a 64-bit PC is your best bet. It will offer to create and burn an ISO to a disc or it will let you create a bootable flash drive to install from (so long as the flash drive is 4 GB or more). Peronsally, I always chose the latter as it makes the installation go so much faster (read speeds are higher from a USB drive than a DVD).
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patcooke

patcooke

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#2
When you download a Windows installation it automatically matches the existing install so you would get 32 bit download on a 32 bit machine. Only way I can think you'd do what you're aiming for is to download windows 8 to another pc which currently has 64 bit Windows 7 or Vista installed. Burn a disk from the iso download and install to your pc.
 
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M

Mitchell_A

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#3
To add to what patcooke said, there is unfortunately no legitimate direct links on the web as there is for Windows Vista/Windows 7, so running the Upgrade Assistant from a 64-bit PC is your best bet. It will offer to create and burn an ISO to a disc or it will let you create a bootable flash drive to install from (so long as the flash drive is 4 GB or more). Peronsally, I always chose the latter as it makes the installation go so much faster (read speeds are higher from a USB drive than a DVD).
 
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