Run XP as a virtual pc. You can get VPC free from Microsoft. No dual boot required.

>Hi,
>
>I have a pc/notebook with Vista Business 64 installed. I would like to add Win XP (I have it in an unopened box) so that I can start this pc with either Vista or XP. What are my options? Can you recommend an inexpensive commercial software or a free option?
>
>Thank you in advance.