Defraggler is a defragmenting program for your Windows PC that will speed up your work, reduce the wear and tear on your hard drive, and make you and Windows more efficient.

Introducing Defraggler - Learn what makes Defraggler unique, why you should use it, and what you'll need to get started.

Using Defraggler - This section describes the various ways you can use Defraggler to speed up your hard drive.

Defraggler Settings - Here you'll find how to tweak Defraggler to perform the way you want it to, including positioning more frequently-used files so they will run more quickly.

Troubleshooting - If you have any issues running Defraggler, check here.

Technical Information - For those who want to know the nuts and bolts of how Defraggler works, this section explains it all.

Advanced Usage - Want to run Defraggler from a USB drive, or in other custom ways? You'll find tips and tricks for advanced usage here.