User's Guide - Windows 8

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            :
●    
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     
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        DVD  BD)   (
●  Disk Defragmenter)    (
●  
  
           :
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  .
●                  .
        :
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   
  .
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   
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    .
   
   
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             :
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   .
●   .
●  .
   :
:             
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 .
.   .
.   .
.      ,    .
.  .
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             .
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         
    .
         .
    