Windows 8.1 - Manual

٧
           .
 
         .

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  Disk Cleanup )  (       
           .
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 
           .
 Disk Cleanup ) :(
١.  Start )(  disk   Uninstall apps to free up disk
space )     .(
٢.    .
               
        .
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     
   .
   :
١.      .
٢.  Start )(  disk defrag ) (    disk
defrag ) .(
٣.    .
 
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       
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       
        .     
      
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.

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         .
  Windows Update ) Windows (    
 .
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           
 .
Windows Update
  Windows Update  .

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          
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   .
System Recovery )  (     Windows
             .
         .  
System Recovery ) (   ١٦     .
    

    CD  DVD       )
" ("          
      .  
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   
   .
 
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