If you purchased the key from Microsoft and your Windows is still not recognizing the key, you can seek Microsoft's customer care help. There is a possibility that someone else has stolen your key and used it to activate his / her Windows XP before you did it.
the only valid way of doing it quite is by using contacting Microsoft, tell them what you have executed, the touch information of the seller, and pay for a clean product key ... i.e., an identical cost as you will possibly have in case you will offered a valid reproduction interior the 1st place. If the eBay supplier claims that this is an unique, actual reproduction of abode windows XP professional, then s/he has broken the regulation by using merchandising it minus the product key. i might suspect that s/he has put in this reproduction on yet another device so, might lower back, have been breaking the regulation.
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If you purchased the key from Microsoft and your Windows is still not recognizing the key, you can seek Microsoft's customer care help. There is a possibility that someone else has stolen your key and used it to activate his / her Windows XP before you did it.
the only valid way of doing it quite is by using contacting Microsoft, tell them what you have executed, the touch information of the seller, and pay for a clean product key ... i.e., an identical cost as you will possibly have in case you will offered a valid reproduction interior the 1st place. If the eBay supplier claims that this is an unique, actual reproduction of abode windows XP professional, then s/he has broken the regulation by using merchandising it minus the product key. i might suspect that s/he has put in this reproduction on yet another device so, might lower back, have been breaking the regulation.
are you running pirated software?