How To Optimize And Defragment Drives In Windows 10
Now Disk defragmentation re-arranges all the pieces of data that are spread across your hard drive and stored them together again. When the files are written to disk, it is broken into several pieces as there is not enough contiguous space to store the complete file; hence the files become fragmented. Naturally, reading all these pieces of data from different places will take some time, in short, it will make your PC slow, long boot times, random crashes and freeze-ups etc....