It shows all the programs accessing the internet, the local and remote ports used, the downloaded and uploaded bytes, the remote IP address and more. You can just extract it from the downloaded ZIP archive, launch it and agree to the EULA. The tool is a portable program and does not need to be installed.

If you do not already have TCPView on your Windows PC, then you can download it from the Microsoft’s Technet website (the download link is given at the end of this article). So how do you find if program or background process is consuming excessive bandwidth? You cannot do it probably using and in-built Windows tools, but you can use the SystemInternals’ TCPView tool to find out which program is pulling the most data from the internet as well as close its internet connection. Then when you try to open a website, it loads very slow or does not load at all. Sometimes a background process running in Windows starts to consume a greater portion of the internet bandwidth and leaves nothing for the rest of the applications.

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