How to turn off system time synchronization function in Windows 7

  
            The user clicks "Date & Time" in the lower right corner of the desktop <;notification bar”.
Pop-up "Date & Time" window, click “Change Date & Time Settings”.
Open the “Date & Time" setting window, select <;Internet Time"
Click “Change Settings”.
"Synchronize with Internet time server" <; tick off, click “ OK & rdquo;

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