xp operating systems

yes i have windows 2000 pro. i was wanting to upgrade to windows xp can you use windows xp home edtion or do you nessaryly have to use the xp pro. upgrade i hade tried the xp home on my computer and it worked just fine but i had borried it from a fiend who has moved my system crashed and i had to reinstall windows 2000 pro . the question in pont is cani i use windows xp home or do i need to upgrade to windows xp pro. i am a bigginer at this and really need to know which system i need can you help me ?