Read How can I activate Windows XP?
If this is of no help, you may need to reinstall.
Hope this is helpful.
Hi every one, I hope some body can help me, my problem is that couple months ago I tried to up-grade to XP from 98; I had to travel and forgot about the 30 days expiration. Now my computer is locked, the problem is that some body toll me that the hard drive it's almost full, and the processor is too slow for XP, I want to buy a new computer but how do I recover all the files that I have in the old one since is locked.
Any help would be really appreciated. Thanks.