Wait a moment, you will see the final result of defragmentation. C is the drive letter, if you plan to defrag other drives, you just need to modify the C to another drive letter. Step 3. In this window, you should type in “ defrag C:” and press enter. Step 1. Press “ Windows + R” to open the “Run” window. But Command Line requires you to have a certain understanding of the command prompt, it is not suitable for everyone. │Method 2. Run disk defrag with Command LineĬommand Line is another way to perform disk defrag on Windows 7, 8, 10, 11. PS.: Disk Defrag may take several minutes to several hours to complete, depending on the size and fragmentation of the hard disk. Step 3. Select the drive you want to defragment, and then click “Defragment disk”. Step 2. In this window, you can see all hard drives and current status on all computers. Step 1. Search for “ Disk Defragmenter” in the search bar, and then open it(search Disk Defragment and Optimize Hard Drives in Windows 10). You can choose one according to the actual situation. Now, I will show you how to find disk defrag utility and run disk defragment on Windows 11/10/8/7. Windows 11, 10, 8, 7 has built-in disk defragment tools, including Disk Defragmenter and defrag Command Line. Where is disk defrag in Windows 7, 8, 10, 11and how to run it? If you want to optimize the performance of SSD, you can try other methods. Since the SSD can efficiently read the data in the cluster, it is not necessary.

But you should not defrag SSD, due to the different working principles of HDD and SSD, doing that will reduce its lifespan. Defragmentation is very necessary for HDD. Instead, it sorts out the data address and changes the address of the data from discontinuous to continuous, so that when the computer reads the data, it shortens the search time and improves the speed. Its purpose is not to extend the storage space. Defragmentation is to re-arrange discontinuous data consecutively on sectors so that the hard drives can work more efficiently.

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