Download Kportscan Free Work -

Choose to scan "Popular Ports" for a quick check or define a "Custom Port Range".

It is compatible with Windows 95 through Windows 11 (both 32-bit and 64-bit). It does not require .NET Framework or Visual C++ Redistributables.

KPortScan uses the WinSock API. For macOS, use Nmap or Port Scan from the App Store. For Linux, use netcat ( nc -zv ).