Windows 7 system for disk defragmentation to free up disk space

  
computer running for a period of time, file deletion, save, move these operations, it will leave file fragments, sorting these file fragments can improve computer performance.


1, click “Start”-Programs-Attachments-System Tools-Disk Cleanup.


2, in the "Drives" list, click the hard drive you want to clean, then click “OK” and wait.


3, & ldquo in; Disk Cleanup & rdquo; dialog & ldquo; Disk Cleanup & rdquo; tab, select the type of file you want to delete box, then Click “OK”.


4, in a message that appears, click the & ldquo; & rdquo ;. delete files






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