Choose "Browse my computer for drivers" and select the folder where you extracted the files.
The file likely contains drivers for a USB to Ethernet (LAN) adapter based on the Ky Rs9600 chipset (often a clone or variant of the Realtek RTL8152 / RTL8153 or similar low-cost USB LAN ICs). Driver Usb Lan Ky Rs9600.rar
Even if the file isn't malicious, it's likely an outdated driver from 2012. Installing an incorrect driver can cause: Choose "Browse my computer for drivers" and select