If you manage to get it running, the appeal is obvious. The interface is incredibly simple—perhaps too simple. It displays a list of all devices connected to your LAN (identified by IP and MAC address).
If you’ve ever been frustrated by a roommate, coworker, or family member hogging all the bandwidth while you try to work, you might have heard of SelfishNet. Originally developed as a lightweight network traffic shaping tool, SelfishNet allows users to monitor devices on a local network and selectively limit their internet speed—or disconnect them entirely.
However, with the release of Windows 11, many users are searching for "WORK Download Selfishnet Windows 11" — hoping the legacy tool still functions. This article will cover: WORK Download Selfishnet Windows 11
Attempting to download and run a "Windows 11 Compatible" version of Selfishnet carries significant risks:
| Risk Factor | Description | | :--- | :--- | | Malware | Unofficial builds often contain hidden miners or password stealers. | | Bricking | Corrupting the network stack can require a full Windows reinstall to fix. | | Legal/Ethical | Deliberately throttling other users' connections without consent may violate ISP terms of service or local cybercrime laws regarding unauthorized network interference. | If you manage to get it running, the appeal is obvious
Partially, but with significant caveats.
SelfishNet was last updated around 2012–2014, designed for Windows XP, Vista, 7, and 8. It relies on WinPcap (legacy packet capture library) and .NET Framework 3.5. On Windows 11: Attempting to download and run a "Windows 11
Result: With tweaks, SelfishNet can run on Windows 11, but it is unstable, lacks official support, and poses security risks. For professional use (hence the “WORK” in your search), avoid SelfishNet — use modern alternatives instead.
Assuming the program runs, here is the typical workflow while it lasts:
Warning: SelfishNet works by sending fake ARP replies, essentially a man-in-the-middle attack. This will:
Disclaimer: This guide is for educational and network administration testing on your own equipment. Unauthorized bandwidth throttling may violate laws or ISP policies.