[url]http://apcmag.com/the_definitive_dualbooting_guide_linux_vista_and_xp_stepbystep.htm[/url]

Just pick out Vista 1st, then XP, from the short list.
It's very good info.

Another way to go, would be to install XP on a Virtual PC
It is called Multi-booting, and is free from Microsoft.
Info below.

[url]http://windowshelp.microsoft.com/Windows/en-US/Help/97a74f0e-798d-45ff-b9bf-7feed68c40e51033.mspx[/url]

Re Program compatibility.
Have you tried right-clicking on the Programs' setup.exe> then Properties>
compatibility tab across the top>Install in XP SP2 mode?

--
Mick Murphy - Qld - Australia


"Roger Sheffield" wrote:
[color=blue]
> I have recently changed my computer to one with Vista Home Premium installed
> and I have found that several pieces of software that I have used happily
> with XP will not run using the Vista operating system. The particular
> software is very expensive, consisting of 3, CAD programs and my accounts
> program. Is it possible to install XP on my system and still retain the Vista
> operating system or do I have to format my hard drive and start again? It
> would be nice if Microsoft could bring out a service pack to make Vista 100%
> compatable.
> --
> Roger Sheffield[/color]