Fragmentation of stored files makes your hard disk do extra work that can slow down your computer. Windows 10 built in Disk Defragmenter tool will defrag windows 10 partitions and rearranges fragmented files on your hard disk so your disks and drives can work more efficiently.
So, How to Defrag Windows 10 Partitions?
Step 01: In the start menu, type Defrag, then click Defragment and Optimize drives desktop app.
Step 02: The Optimize drive app will open. Here you can see all partitions of your computer’s hard drive and removable drives connected in. And you can view the current fragmentation level of each partition.
Step 03: Select the partition you need to defrag and click Optimize button. This will start to defrag windows 10 partition that you selected. (Clicking on the Analyze button will start a quick analyze on the selected drive. At the end of analyze, the app will notify you the current level of fragmentation and whether it needs to defrag the selected partition.)
Note 01: Disk Defragmenter might take from several minutes to a few hours to finish the defrag windows 10 partition, depending on the size and degree of fragmentation of your hard disk. You can still use your computer during the defragmentation process.
Note 02: If the disk is already in exclusive use by another program (such as Windows 10), or if the disk is formatted using a file system other than NTFS, FAT, or FAT32, it can’t be defragmented.
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