TechwareLabs has published a guide to Defragmenting your Hard Drive

Many computer users forget that Windows comes with a nifty system utility that is called Disk Defragmenter. This utility can assist you in speeding up your system and keeping your hard drive moving along at a healthy pace. Our guide explains the defragmentation process, how to use and access the program, and how to get the most performance through the use of this single tool.

How to Defragment Your Hard Drive Guide