Most modern Windows operating systems will defrag your computer automatically, but you can do it manually if you have Windows 7, 8, 10, or Vista.

Fragmentation doesn't cause your computer to slow down as much as it used to—at least not until it's very fragmented—but the simple answer is yes, you should still defragment your computer.

QUESTION: My operating system is XP and my computer is a desktop with a 114 gigabyte hard drive. How often should I defrag and how do I go about doing it? Typical answer is when computer slows ...

Is your PC slowing you down? Use this guide to defragment files using the Optimize Drives tool on Windows 10.

As files become increasingly fragmented on a hard drive, the machine's overall performance can take a hit. That's where Windows' defragging comes in.

Q: I have a Windows 10 computer, and the defragmenter command has stopped working on it. I tried running it as an administrator, but it still would not run. I also tried going to the C drive to ...