There is no such program, free or paid.

Here are some suggestions to increase your computer's performance:
1- Eliminate memory intensive programs running in the background.
2- Add RAM.
3- Remove malware.
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Leonard Grey
Errare humanum est

Jaime wrote:
I'm tired, i cant find something for to speed up my windows xp, i want to
know if really exist a program for to speed up windows xp totally free
without to pay a lisence, and that really could speed up my pc

I will be thanksful if you give me some options

Thank you

My computer is a Dell d610 with windows xp service pack 3.