Navigate to the "Releases" section of the repository. Look for the stable build labeled .

Before diving into the download and installation process, it helps to understand exactly what you’re getting. Clumsy 0.4 v2 provides a robust suite of network manipulation features:

Click the button at the bottom of the interface. Clumsy will immediately begin altering the filtered traffic. To stop the simulation and return your network to normal, simply click the Stop button. Troubleshooting Common Issues "Failed to open WinDivert driver" Error

This starts Clumsy with 300ms lag, 10% packet drop, and 100 KB/s throttle.

What (like strict packet drops or fluctuating ping) do you need to simulate?

However, the latest stable compiled binary for Windows is often labeled clumsy-0.4-v2-win64.zip (or similar). As of the last stable build, version 0.4 v2 is the most functional release.

Check the respective boxes within the GUI and customize the parameters to simulate distinct network environments: 1. High Latency (Lag) Enable Lag . Parameter: Set Delay to 150 (milliseconds).

(commonly searched alongside stable builds like 0.3) is an open-source Windows utility designed to artificially degrade network conditions in a controlled, interactive environment. By leveraging the WinDivert kernel driver, Clumsy intercepts live network packets, alters them based on your parameters, and releases them back into the system stack.

Re-run the application to let it try installing the WinDivert driver again, or check if an anti-virus is blocking WinDivert.sys .