50 Tools to Speed Up Your PC

There are some good tools introduced by pcworld who can greatly make your pc run more quickly and smoothly. The original topic is here:

http://www.pcworld.com/article/150813/50_tools_to_speed_up_your_pc.html

I am very careful on downloading unknown softwares, installing anything, and any internet traps, so most of the time I can keep my pc from malware attacking and keep it clean. But, even through I have not much instresting in tune-up tools, but this article is the top article of pcworld, so it is linked here, and this may help those who are getting trouble with speed or Malicious Software.