How do you change the other name of your computer?

you know the little thing of the hub where you choose which user your signing in on a xp? you know at the bottom left it says turn off computer or whatever? well a while ago i changed the name of the computer and now i want to change it back but forgot where it was because im stupid like that :p help please?|||Go to your control panel and find %26quot;users%26quot; There should be a bunch of users and you can click on them and change the name and picture and stuff|||Windows key + Pause, Computer name Tab.|||right click on my computer and hit at the computer name !!