http://www.ehow.com/guide_5-http://www.ehow.com/guide_5-computers.html.htmlwww.ehow.comhttp://www.ehow.com/how_4992227_avoid-windows-xp-after-reinstall.htmlAvoid reactivating Windows XP after a reinstallation by not changing the network card and avoiding hardware changes. Avoid reactivating Windows XP by learning how Microsoft registers a computer in this free video from an experienced IT computer consultant about reactivating Windows XP. Published on 5/2/2009