Wi-Fi speed on Windows isn’t just your router. These adapter, driver, and power settings cut drops and boost throughput.

I assumed Windows’ default settings were harmless. It turns out, several quietly track more than you’d expect—but they’re easy to fix.

If your devices only support up to 4K at 60Hz, a "premium high-speed" HDMI cable (18Gbps, HDMI 2.0) is perfectly fine. Again, just avoid really old or thin cables. Early HDMI cables (HDMI 1.4 or older ...