To get your back online on Windows 7 64-bit , you primarily need the Realtek RT8105S Ethernet Controller
This is a reputable enthusiast site that archives older and newer versions. Search for “Realtek LAN driver Windows 7 64-bit”. zebronics g31 motherboard lan drivers for windows 7 64-bit
If your PC has no internet, download the driver on another device and move it via USB. Zebronics G31 motherboard To get your back online
" driver directly from the Realtek website for guaranteed compatibility with Windows 7 64-bit. Driver Version : [Insert version number]