Overclocking?

[xXrkidXx]

What does it do? How does it help my computer and How do I do it?

thanks in advance :)

[Undead Surfer]

Guess you can start here:-

http://en.wikipedia.org/wiki/Overclocking

More or less, you're pushing your CPU or GPU past the stock speeds to attain higher performance. Requires ample cooling to keep your system stable.