No. You would need to perform a "clean install"
of the 64-bit version of Windows Vista.
32-bit and 64-bit Windows: frequently asked questions
http://windowshelp.microsoft.com/Win...01033.mspx#ERC
Installation choices for 64-bit consumer versions of Windows Vista
http://support.microsoft.com/kb/932795/en-us
--
Carey Frisch
Microsoft MVP
Windows Shell/User
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"Mark" wrote:
I originally installed Vista Home Premium 32-bit version as an upgrade to XP
Pro SP2. Later, I chose to use Anytime Upgrade to move to Vista Ultimate.
Now that things are settled (I suppose I needed more of a challenge,) I want
to move to 64-bit version to make better use of the processors as the
multimedia programs are finally moving in that direction.
I ordered the 64-bit version of Vista Home Premium which is allowed for a
very small fee which will replace my original upgrade.
Can I also upgrade my Anytime Upgrade license to 64-bit?