I'd stick with 3.1, Vista is making my dual core 3ghz Pentium run like a 286.
Having said that the upgrade advisor would probably tell you it will work
> I have a Packard Bell 386 that has Windows 3.1 on it.
> I just got a copy of Windows Vista Ultimate and there are
> no floppy disks in the package. It only has a round plastic "record".
> How do I install this?