.exe > Properties > Digital Signatures. Look for "Realtek Semiconductor Corp."Sometimes, the installer fails. Use this method:
Try a Different USB Port: Some USB ports (especially front-panel ports on desktops) may not provide enough power. Use a port directly on the motherboard. The Ultimate Guide to the Realtek RTL8192EU Wireless LAN 802
Clone a maintained fork (replace with a current active repo): File size: Between 12 MB and 45 MB