1. Update BIOS under Shell environment:
    Step 1: Copy the zip file and unzip it in your U disk which support UEFI Shell;
    Step 2: Power on system and press the hotkey to enter popup menu and select your U disk which is mentioned in Setp 1 to enter Shell environment;
    Step 3: Switch to "...\Efi64";
    Step 4: Run the nsh file to update BIOS;
    Step 5: Reset system.

2. Update BIOS under Windows:
    Step 1: Power on system to enter Windows directly;
    Step 2: Unzip the zip file;
    Step 3: Switch to "...\Win64";
    Step 4: Run the bat file in PowerShell or  CMD to update BIOS with administrator privilege;
    Step 5: Press any key to restart system if update process complete without any error. Otherwise, please close the CMD or PowerShell window, then go to Step 4 again.