A couple of questions about downgrading Vista to XP?

Question

I have 2 questions about it. one, is there any way of switching back to vista for free(like it is to go from vista to xp)? And two, where on the computer do you downgrade? i've heared its built in but i havent seen it in my searches... thanks! :)

Answer 1

Here's the "store-bought Vista to store-bought XP" Step By Step from Microsoft:

http://support.microsoft.com/kb/933168/en-us

If your Windows are on Recovery Disks, please re-post with specific make and model of PC.