Rtk-nic-driver-installer.sfx.exe Windows 11 • Verified Source

Verify the digital signature. Right-click the file > Properties > Digital Signatures. It should show “Realtek Semiconductor Corp.” or your motherboard vendor. If it is unsigned or shows an unknown publisher, delete it immediately.

: If your Ethernet is working, ignore it. If it isn't, it is safer to download the latest official drivers directly from the Realtek Download Center or your computer manufacturer's support page (like rtk-nic-driver-installer.sfx.exe windows 11