Modern Windows security protocols often restrict legacy network injectors. Extract the SelfishNet folder to your desktop.

Displays the exact download and upload speeds (in KB/s) that each device is actively consuming.

Extract the SelfishNet ZIP file to a dedicated folder on your desktop.

SelfishNet requires specific dependencies to function correctly. Because it operates by manipulating network packets, it requires administrative privileges. Prerequisites

Click the button (typically a yellow lightning bolt or play icon) to begin controlling the traffic. The software will instantly apply the restrictions. To reverse the changes, click the Stop Redirecting button. Troubleshooting Common Issues

: Includes a "Block" checkbox for each device to completely disconnect them from the internet without needing router access.

If you encounter issues with Selfishnet or are looking for more modern features, several solid alternatives exist:

Install the WinPcap driver first and restart your computer if necessary. Extract & Run: Extract the SelfishNet files.

Alternatively, check the box in the column to completely cut their internet off.

Give you a guide on how to instead of using third-party software. Explain how to install WinPcap if you are having issues.

After extracting the Selfishnet files, you must run it with administrator privileges. Right-click the executable file (often named SelfishNetv0.2-beta_vista.exe for newer Windows systems) and select "Run as administrator." This is essential because ARP spoofing requires low-level system access.

While SelfishNet is a powerful tool for home management, it comes with responsibilities:

SelfishNet v0.1 Beta represents a "quick-fix" era of network tools. While it remains a powerful instrument for personal bandwidth management, its reliance on intrusive protocols like ARP spoofing makes it a double-edged sword. It serves as a reminder of the inherent vulnerabilities in local network protocols and the ongoing tension between individual utility and collective access.