http://ccleaner.com/

The above link takes you to a free download for this cleaner, do it every day to rid your pc of all rubbish it collects! Its free, fast and easy to do!

http://www.lavasoftusa.com/products/ad-aware_se_personal.php

The above link takes you to a free download for this anti-spyware programme!  Get rid of all the tracking left on your pc whenever you visit most sites!

Using these 2 Free programmes will clean up your pc and make it go faster!