How to make your computer run faster
Buy it some better running shoes! **crickets**I know, I know, bad joke.Install more RAM, get a good anti virus program (not just a free one). And do what SamanthaJune said, defrag it.
Try defragging it.
A good start is to clean it. Try using this tutorial http://www.easypctutorials.com/how-to-maintain-your-windows-computerIf you are looking for even better performance, then you might want to start researching to upgrade some of your hardware.
Try restarting it