Can windows xp be downloaded if one still has the key and does anyone have link to this and to a step by step guide into how to format and reinstall windows.

thx

Hi there, XP cannot be downloaded as its illegal, and we do not support illegal software on the site.

NO from microsoft, plz dont insinuate i wd want to do it illegally

You can do it i believe if you have an MSDN Subscription yes.