windows xp registry editor

[sinki]

I want to know how to use windows xp registry editor .

[bartonc]

I want to know how to use windows xp registry editor .

This is NOT for beginners. You can make your system become unstable or even unbootable. That said:
Start->Run: type regedit
or
Start->Programs->Accessories->Command Prompt: type regedit

regedit only runs from the command promp because it is not for beginners to be fooling around with.