Realtek Rtl8139 Driver 810x Family Pci-e Gigabit Windows 10 'link' ✦ Tested & Secure
If you cannot find the driver on your manufacturer's site, you can try the official Realtek sources. Note that Realtek's own website can be difficult to navigate.
If your computer has an onboard LAN port or a dedicated network card using this chipset, Windows 10 usually installs a generic driver automatically. However, for stability and full speed, installing the specific Realtek driver is recommended. realtek rtl8139 driver 810x family pci-e gigabit windows 10

