hi guys i hope you can help me this is my problem my friend had a windows xp home edition ,but somebody told him that the xp professional was better so he installed xp pro and now his computer is all messed up and he want to install the home edition again but he can't find the original cd that came with his pc and also the pc case has the label of genuine windows xp home edition my question is how we can install the home edition since we don't have the cd but we have the 25 keys? any help ,advice will be appreciated...thanks in advance