Available to Windows Insiders, the built-in tool measures your upload and download speeds over Ethernet or Wi-Fi.
Compare the 6 best free internet speed test apps for 2026. Test Wi-Fi speed, latency, upload and download performance, and diagnose connection issues.
Are you getting the internet speed you’re paying for? Should you blame a slow connection on your Wi-Fi router or internet provider? Can your internet handle things like online gaming or livestreaming?
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