If the driver is installed but the speed is slow, ensure you are using a USB 2.0 port or higher. The SR9700 series is capped at 10/100 Mbps.
If the above fail, search for "SR9900 USB Ethernet Driver." Common hardware ID matches include USB\VID_0FE6&PID_9700 or USB\VID_0FE6&PID_9900 . Installation Steps for Windows corechip semiconductor usb to ethernet driver
This is where the product loses points. The "Corechip" driver experience is a roll of the dice. If the driver is installed but the speed