If you have an older license (like version 8.x), the developers at Hagel Technologies often offer significant discounts for upgrading to the newest version. Download DU Meter - Hagel Technologies

If you actually need to monitor your data, it's much safer to use the official channels:

The "download" usually isn't the software. It’s often a Trojan or "stealer" malware designed to grab your saved passwords, credit card info, or crypto wallet keys the moment you run it. The Real Story of DU Meter

DU Meter is a legitimate network monitoring tool developed by Hagel Technologies. It has been around for decades, helping users visualize their internet speeds and data usage.