[header] How to defrag windows 7 [title] Click on your windows 7 computer's " start " button. [step] Then, type " disk defragmenter " on the search bar. [substeps] Alternatively, you can go to start] all programs] accessories] system tools] disk defragmenter [title] Click on " disk defragmenter " to access the program. 
[step] Click on " defragment disk " to start the process. [title] Click on the name of the disk you want defragmented.