Thread: 32 to 64 bits
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Old December 7th 17, 09:35 AM posted to alt.comp.os.windows-10
Paul[_32_]
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Default 32 to 64 bits

Lucifer Morningstar wrote:
My PC has Windows 10 Pro 32 bit which is validated with a key.
If I upgrade to 64 bit will I need another key?


No.

Doing a *clean* install, it will use exactly
the same key it is using right now.

The key is valid for either 32 bit or 64 bit
for a given trim level of OS.

So if you did a Win7SP1 Pro to Win10 Pro upgrade,
the license key used, works for 32 bit or 64 bit.
I could have done it this way:

free upgrade install
Win7SP1 Pro 32bit ------------------------------ Win10 Pro 32bit
preserves trim and bitness

followed by:

Win10 Pro 64 bit *clean* install (uses the same key, by Digital Entitlement)

HTH,
Paul
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