iPerf3

by ar51anv3.21

Last updated Jun 8, 2026

A TCP, UDP, and SCTP network bandwidth measurement tool.

Install with winget

$ winget install --id ar51an.iPerf3 --exact --version 3.21

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

iperf is a tool for active measurement of the maximum achievable bandwidth on IP networks. It supports tuning of various parameters related to timing, protocols, and buffers. For each test it reports the measured throughput / bitrate, loss, and other parameters.

Installers · v3.21

Architecture	Type	Scope	Install	Download
x64	ZIP archive	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for iPerf3.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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More from ar51an or browse bandwidth, bitrate, esnet.

Frequently asked questions

How do I install iPerf3 on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id ar51an.iPerf3 --exact --version 3.21. winget downloads the installer from ar51an and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install iPerf3 silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id ar51an.iPerf3 --exact 3.21 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall iPerf3 via winget?

Run: winget uninstall --id ar51an.iPerf3 --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from iPerf3's Apps & Features entry.

Is iPerf3 free?

iPerf3 is distributed under BSD-3-Clause. Refer to the publisher (https://github.com/ar51an/iperf3-win-builds) for the full license terms - Wingetly itself does not charge for installation.

Does iPerf3 work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls iPerf3 directly from the publisher.

How do I keep iPerf3 up to date?

Run winget upgrade --id ar51an.iPerf3 --exact, or winget upgrade --all to update everything winget tracks. We index 6 versions of iPerf3 from microsoft/winget-pkgs.

Recent versions

3.21latest
3.20
3.19.1
3.19
3.18
3.17.1