Hello John,
Yes, you can inplace upgrade from Home Premium to Ultimate.
Remember to check the DVDs - Ultimate comes with both x86 (32bit) and x64
(64bit). If your Home Premium is 32 bit, then upgrade to the 32 bit
Ultimate.
--
Jane, not plain

64 bit enabled :-)
Batteries not included. Braincell on vacation ;-)
MVP Windows Shell/User
"JohnBed" <(E-Mail Removed)> wrote in message
news:845C104F-67B3-4F4A-97B0-(E-Mail Removed)...
> On a vist to Microsoft at Redmond I was able to buy a copy of Vista
> Ultimate
> at the Company shop: can I install it over Home Premium?