If you’ve just upgraded to Windows 11 or purchased a new USB Wi-Fi adapter (like the popular TP-Link Archer T3U, T4U, or various ALFA cards), you may have encountered a frustrating reality: your device isn't working.
Users generally report that the hardware is capable, but software is the primary bottleneck. Real-World Performance : In testing, users have seen latency drop from 85ms to 22ms and download speeds jump from 45 Mbps to 158 Mbps on a 300 Mbps plan when the correct driver is active. rtl8812bu driver windows 11 top