How to defrag my computer for free

Written by tricia goss Google
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How to defrag my computer for free
Keep your computer healthy by defragmenting regularly. (taking a break image by Keith Frith from

One way to help your computer run more quickly and experience fewer problems such as unresponsive programs is by defragging it regularly. While there are pricey defragmenting tools that you can download, Microsoft provides a free defragmenter in its collection of system tools. The defrag process can take several hours. Fortunately, after the initial set-up, you can simply let it run through to completion.

Skill level:
Moderately Easy

Things you need

  • Windows XP, Vista or 7

Show MoreHide


  1. 1

    Click "Start" and click "My Computer" or "Computer," depending on your version of Windows.

  2. 2

    Right-click "Local Disk (C:)" or any other hard disk drive that you want to defrag. Select "Properties" from the menu that appears to open the "(C:) Properties" dialogue box.

  3. 3

    Go to the "Tools" tab of the dialogue box.

  4. 4

    Click the "Defragment Now" button in the "Defragmentation" section.

  5. 5

    Click "Defragment Disk." When the defrag is complete, close the "Disk Defragmenter" window and the "(C:) Properties" dialogue box.

Tips and warnings

  • It's best not to have any other programs running when using Defrag. Even though some Windows versions can do it, it is not advisable. Also, it will make the defragmenting process go faster.

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