If the driver is installed, you will see "AX88179 USB3.0 to Gigabit Ethernet" is listed as below.
If there is no “AX88…”, please help to try the following steps for approving the software.
1. Plug in the device to your Mac
2. Install the device's driver
3. You will receive an alert message “System Extension Blocked”
4. Click “ok”
5. Approve the software:
Apple icon -> System Preference -> Security & Privacy -> Unlock plan by click the LOCK icon at the left bottom -> Allow the software which is listed there