can i install xp home edition with an xp professional key?

No sir you cannot. CD keys are bound to a specific version of windows, even with oem versions of xp home and upgrade versions of xp home. The keys are not interchangeable. If that were the case, people would be buying xp home at 99 bucks and then go download a xp pro cd (legal if without a cd key) and installing a $200 OS for $99 bucks.

Go borrow an XP Pro CD or else you'll have to buy XP home.
 
i was hoping that with a more expensive key they would allow you to install a downgraded version
 
i was hoping that with a more expensive key they would allow you to install a downgraded version

if you have the key and not the disc, it would be in your rights to download it IIRC and then use your key when installing it...
 
if you have the key and not the disc, it would be in your rights to download it IIRC and then use your key when installing it...
You can download an xp home cd if you need it. It is perfectly legal to download windows xp without a cd key.
 
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