Hidden Partitions displayed in Disk Defragmenter Tool To open it, type defrags in Windows search, select Defragment, and Optimize Drives from the search results.

Even if error-checking reports no problems, you should defragment the drive. That will reorganize files so your system can find them faster. You'll find Windows' built-in Disk Defragmenter tool by ...

Glarysoft Disk SpeedUp is a free software to analyze, defragment and optimize hard disk space in quick time and enhance your Windows computer performance.