To measure speed accurately, you need on the same network—one acting as the Server and the other as the Client .
Reliable tech archives like Softpedia often host mirrors of the 2.0.2 version. jperf download windows
On the second PC, select Client mode. Enter the IP address of the server PC in the "Server Address" field. To measure speed accurately, you need on the
Since JPerf is written in Java, you must have Java installed on your Windows PC to run it. You can download the latest version from Java.com. Operating System: Compatible with Windows 7, 8, 10, and 11. To measure speed accurately
If Windows Defender asks, allow JPerf to communicate on private networks so it can send and receive test traffic. Running Your First Network Test