Windows 8.1 - Manual

٢  
  
      :
١.  Start )(  control panel ) (   Control Panel ) .(
‒–
   Windows      Start )(   Control Panel ) .(
٢. System and Security ) (  System )(    Device Manager )
 (  .
      .
         BIOS    fn+esc ) 
.(
  
     :
▲  Start )(           .
‒–
   Windows      Start )(   Programs and Features
) .(
  
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