You can try this (but I don't know if it will work):
1. Preform a clean installation but DO NOT enter the key when prompted.
2. When asked which version to install, select Business. This will install the Business version in trail mode.
3. Now the I don't know part: Once you are up and running, go and try to activate your copy using the Ultimate key. I suspect this will fail but I have never tried it.
On the other hand, did you try installing Ultimate and then remove features once installed.
Chris
Quote: Originally Posted by
olant 
Hello,
I upgraded my pc and bought Windows Vista ultimate 64bit, and i would like to install Windows vista Business 64bit.
How can i do it ?
I took ultimate because it was the only version i could find (in my area anyway) that had a 64bit version in the box.
But i don't want the media center, the high definition, and all the multimedia stuff. All of these ultimate "extras" are of no use whatsover to me.
So my question is basically can i install the Business version with my ultimate key ? (is it "downwards" compatible in a way ?).
I don't understand why ultimate is the only one with 64bit in the box. It doesn't make sense to me. It would have been much more logical for the Business version to be the one with 64bit in the box.