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 Make your Pc better
Disk Defragmenter
   
CMD Windows Back
CMD:          
This method shows you how to open Disk Defragmenter using Command Prompt
Please perform the following steps:

In the Command Prompt window please select, copy and paste the following command:

dfrg.msc

Please press Enter to execute
Windows:
This method shows you how to open Disk Cleanup using Start Menu.
Please perform the following steps:
   
Please go to Start->All Programs->Accessories->System Tools->Disk Defragmenter
Please select your system partition and press Defragment
Up Back
Please select your system partition and press Defragment
   
CMD Windows Up Back