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5. Open the terminal application by clicking Go > Application > Utilities >
Terminal.
6. If there is one old driver in the Extensions directory, please remove it first by
executing the command:
sudo rm –R /System/Library/Extensions/AX88772.kext
You will need to enter your password as prompted.
7. Paste the driver to the Extensions folder by the command line below:
sudo cp –R //AX88772.kext /System/Library/Extensions/AX88772.kext