Windows automatically defragments mechanical drives, and defragmentation isn’t necessary with solid-state drives. Still, it doesn’t hurt to keep your drives operating in the most efficient way possible.

Is defragmentation still necessary?

When You Should (and Shouldn’t) Defragment. 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.

How often should I defrag Windows 10?

If everything’s running okay, your HDDs should read “OK (0% fragmented),” and you can see when the drive was last defragged. By default, it should run once a week, but if it looks like it hasn’t run in a while, you may want to select the drive and click the “Optimize” button to run it manually.